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Defines Atom
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...Atom Breathe in deeply… You have just inhaled billions of atoms comprised of nitrogen, oxygen, carbon and some other pollutant gases in the atmosphere which are released by cars or other factors. Atoms are the smallest indivisible parts of elements and everything on earth. Similarly to the above mentioned example, if you drink a glass of water, you ingest just as many atoms of oxygen, chlorine, hydrogen and fluorine. This principle can also be utilized in several other aspects of life involving the food consumed by people, the gaseous emissions from cars and other complicated everyday utensils like the microchips that are utilized in order for our electronic gadgets to function... ? [Teacher’s Defines...
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ATOM for Large Projects
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...ATOM for large projects affiliation ATOM for Large Projects In an organization, risk can emanate from any departments. Additionally, an organization with multiple departments should put in place mechanisms to monitor developments and the success of the departments in regards to the objectives and aims of the organizational culture. In an argument by Hillson & Simon (2012) an organization measure of success is done by the success of its entire departments. In addition, a department exposed to risk can be costly to the welfare on an entire organization. For this reason, risk management at the departmental level is an important as risk management system for...
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The decision to drop the atom bomb on Japan
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...Atom Bomb on Japan Decision to drop the Atom Bomb on Japan [Institute’s Decision to drop theAtom Bomb on Japan Since decades, the decision of dropping the atomic bomb on Japan remained a major issue of debate and criticism, and the United States continued to confront huge criticism from various historians, experts, and even American veterans in different parts of the globe. This decision involving dropping of bombs on August 06 and August 09 of the year 1945 resulted in adverse effects on not only Japan, but also changed perspective of different nations around the world. In response to criticism, US President Truman specified that dropping of the atomic bomb saved... Running Head: Decision to drop the...
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Atom bombs
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...atomic bombing on Hiroshima and Nagasaki Justified? Is atomic bombing on Hiroshima and Nagasaki Justified? The military intelligence officer in charge of organizing Japanese cables for President Truman and his advisors, Carter Clarke quotes "...when we didnt need to do it, and we knew we didnt need to do it, and they knew that we knew we didnt need to do it, we used them as an experiment for two atomic bombs."(Alperovitz, 2010). To begin with, bombing on Nagasaki and Hiroshima for any reasons is not justified. No matter the debate has been prevalent since 1945, but the perpetual radioactive poisoning of the land cannot be compensated by any other act by the United States. Historians... ;...
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Redicovering the atom, how many pennies For Chemirsty Class
4 pages (1000 words)
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... College Determining the Mass of a Penny Using the Millikan’s Oil Drop Experiment Introduction In 1909 Millikan found the electrical charge of one electron without knowing the number of electrons that he used in the experiment. In his experiment Millikan used some charge to determine the charge that could be used to suspend a drop of oil and then used this charge to calculate the charge on one electron without knowing the exact number of electrons that were contained in the oil drop. This is a lab report and is a simulation of the Millikan’s oil drop experiment. In which, Millikan used a drop of oil to determine the number of electrons that every drop of oil contained. It is done using... College...
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Chemistry Bachelor Essay
4 pages (1000 words)
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...atoms and the carbon atoms- 1200 2. Bond term between the carbon atoms- sp2 hybridization. 3. Bond term between the oxygen atom and the last carbon atom- sp2 hybridization. b) Yes, this molecule will have a delocalised orbital. This orbital extends wherever there is a double bond- over the first and second carbon atom, the third and the forth carbon atom and over the carbon atom and oxygen atom. Question 2 a) b) Bond order represents a value that is equal to the number of pairs of electrons in bonding orbitals minus the number of pairs in antibonding orbitals. It also corresponds to the number of electron pairs covalently bonding... Question a) CH2=CH-CH=CH-CH=O Angle term between the hydrogen...
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NYOB: A novel approach to addressing Privacy concerns in Online Social Networks
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...atoms," and then replacing each atom with its encryption. At the core, if all the atoms of the same class compose a "dictionary," NOYB encrypts the index of the user's atom in this dictionary, and uses the ciphered index to pick the replacement atom from the dictionary. The approach is superior to other approaches because the cipher atom is a legitimate atom. NOYB... NYOB: A novel approach to addressing Privacy concerns in Online Social Networks Online social networking is an increasingly powerful tool of social communication and marketing that cannot be ignored by the corporate world any longer. However, this tool still continues to be marred with questionable privacy capabilities, making it...
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Chemistry chemistry
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...atoms in a network structure, such as that of carbon (diamond).Metallic bonds are also classified as intramolecular forces (Frederick, 1979, P.63)Intermolecular forces operate between, rather than within, the molecules of a covalent substance. This would include the attractions exerted by one molecule of a molecular substance on another, such as the force of attraction between water molecules in ice... CHEMISTRY QUESTIONS Presented Intramolecular forces operate within the molecules or fundamental units of a substance. This would include the attraction between positive and negative ions in a crystal of an ionic compound, the covalent bonds in a molecular substance as well as the covalent bonds linking...
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The importance of Hydrogen Bonding in Biology
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...atom from a polar bond binds with an electronegative atom. This bond forms when a hydrogen atom binds to a strong electronegative atom of one molecule at the same time it covalently attaches to another electronegative atom in a different molecule (Chang, 2008). The electronegative atoms that form this kind of bond with hydrogen include oxygen, fluorine and nitrogen. The atom that covalently links to the hydrogen is the hydrogen bond donor and the other atom represent the hydrogen bond... The Importance of Hydrogen Bonding in Biology Introduction A hydrogen bond is a special interaction found among molecules. Chang (2008) explains that the hydrogen bond is a dipole-dipole interaction where a hydrogen...
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The importance of Hydrogen Bonding in Biology
4 pages (1000 words)
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...atom from a polar bond binds with an electronegative atom. This bond forms when a hydrogen atom binds to a strong electronegative atom of one molecule at the same time it covalently attaches to another electronegative atom in a different molecule (Chang, 2008). The electronegative atoms that form this kind of bond with hydrogen include oxygen, fluorine and nitrogen. The atom that covalently links to the hydrogen is the hydrogen bond donor and the other atom represent the hydrogen bond... ? The Importance of Hydrogen Bonding in Biology Introduction A hydrogen bond is a special interaction found among molecules. Chang (2008) explains that the hydrogen bond is a dipole-dipole interaction where a hydrogen...
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Ionic and Covalent Bonding
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...atom, there are two types of atomic bonding; covalent and ionic bonding. These bonds are different in terms of structure and property. Covalent bond is formed when two or more molecules share electrons, binding the two atoms in a fixed position (Atkins 2009, p.5). In connection to these, high energy is required to break covalent bonds. Formation of a bond between two atoms will depend on their electronegativity; the ability of an atom to attract electrons towards itself. In cases where the electronegative between two atoms differs significantly, for example, potassium and chloride, then an ionic bond is formed (Atkins 2009, p... Ionic and covalent bonding Ionic and covalent bonding Introduction In every...
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Electrons in Atoms
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...Atoms Research Paper INTRODUCTION Electrons are negatively charged subatomic particles that move around the nucleus of an atom on paths commonly known as orbits (Jessa). Compared to the size of the core of an atom, electrons are much smaller. Their orbits are also known as energy levels. These orbits are imaginary paths that cannot be seen. The exact position of electrons on the orbits has never been calculated with precision. Scientists use estimations to refer to the location of a particular electron. An electron has a mass of 9.1095 x 10-31 and a charge of 1.6022 x 10-19 coulombs (Weisstein). This paper sought to study electrons in atoms; their history, science and applications. Both... Electrons in...
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Science
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...atomic number 11. Sodium is soft and silvery white metal in color. Aside from one of the most abundant elements in the planet, sodium in nature belongs to halite group which means it is highly reactive. Aside from its silvery-white color, sodium is also waxy in appearance, can easily be cut by a knife because it is soft, it reacts with oxygen once exposed to air and forms sodium oxide film (Chemistry Explained, par. 1-60). This is the reason why a bright and shiny surface of sodium once cut lacks luster because... SODIUM A. What is Sodium? In order to understand what sodium is all about, it is important to discuss its physical properties, chemical properties and other related information. Discovery Humph...
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Not eassay ...just 2 quitiins phsics
4 pages (1000 words)
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...atom. In addition, the energy may be defined as the energy that is lost with the formation of a nucleus (Podgorsak 17). The theoretical mass of a nucleon is less than the actual mass of the nucleon and the difference in the atomic mass units (amu) is what that is referred to as the binding... Binding Energy Question Calculate the binding energy per nucleon for Fe56 and Ra226. Are the results about what youwould expect? Can you explain why they are different for the two nuclei? The binding energy in a nucleon is the resultant of the difference in mass of the constituents of the nucleus. It may also be defined as the total energy required to completely separating the nucleons in the nucleus of an atom. I...
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Physical Chemistry
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...Atomic Theory 11th March John Daltons Atomic Theory Introduction Before the advancement of the Atomic Theory by John Dalton, there was no way to explain what the composition of matter was. Democritus had first suggested that the atom existed, but no conclusive studies had been carried out to prove its existence (Vasilescu & Adrian-Scotto, 2010). There was also no way of explaining why different compounds reacted or combined in different proportions with various gases. Joseph Proust had analysed oxides of tin and came to the realization that the masses of tin dioxide and tin (II) oxide were made up of either 78.7% Sn and 21.3 O, and 88.1% Sn and 11.9% O respectively. This motivated John... John Daltons...
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Parpgraising paragragh about phosphene and alkynyl legand
1 pages (250 words)
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...atom serves as a donor, while there are empty orbitals on the P-atom, in phosphines, which can behave as “pai” acceptors, as they overlap with filled d-orbitals on 3-d metal ions. The pattern of bonding of phosphenes to d-metal comprises of a “o:” bond from ligand and metal, while there is a “pai” bond between metal and ligand, in the return direction. This makes the bonding of phosphines to d-metal perfectly analogous to the bonding of CO to a d-metal atom. Large variety of phosphines are thus possible, while different widely available verities... Paraphrasing paragraph about phosphene and alkynyl legand Phosphene  According to d-metal organomettalic chemistry s, the presence of a single pair on...
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Introduction to the Universe
8 pages (2000 words)
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...Atoms have negative electrons that orbit around a nucleus that is positively charged. The nucleus has electrically neutral neutrons and positively charged protons. An atom has equal protons in the nucleus as the number of orbiting electrons. An atom in such a state is said to be electrically neutral. The protons determine the element that the atom represents. Bohr’s atom model was an early attempt that explained how atoms produce absorption and emission line spectra. An atom’s normal condition is when it possesses minimum energy at ground state. An orbiting electron can escape from the atom when given enough energy that is then termed as ionized. An atom can also... Introduction to the Universe...
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Pearson's hard soft acid base theory in bioinorganic
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...atoms (Ni-1) coordinates to histidine via the nitrogen atoms and a water molecule. The second Ni atom (Ni-2) is similarly coordinated to histidine via the N atoms, two water molecules and to aspartic acid via the O atom. Mechanism... ?Application of Pearson’s hard and soft acid/base theory in bioinorganic chemistry Introduction: Pearson’s hard and soft acids and bases theory is a concept that explains reactions mechanisms and the stability of compounds. It designates an element or compound as being ‘hard’, ‘soft’ or borderline depending on the polarizability and charge condition. Soft elements and ligands are highly polarizable and have small charge states. Hard elements and ligands are weakly polarized...
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History of the Universe
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...atom, the highest bound energy level corresponds to an energy of 0.0eV, and two of the lower bound energy levels corresponds to energies of -0.38eV and -0.54eV. a) Draw a labeled energy level diagram for a hydrogen atom, representing the three bound state energy levels described above. Indicate in which direction the energy levels increases. b) A particular hydrogen atom makes a transition from the energy level at -0.38eV to the energy level at -0.54eV. State whether a proton is emitted or absorbed in this process and in one sentence justify your answer. What is the energy of the photon involved in this process Which part of the electromagnetic spectrum does... Section B Question B1 In a hydrogen atom, ...
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Ionic and covalent Bonding
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...Atoms are the basic units of chemicals but often exist in unstable In order to gain stability, atoms combine with other atoms, either of the same element or of a different element, in a bonding process. Different types of bonds exist and ionic and covalent bonds, which this paper discusses, are examples. Definitions of the terms Ionic bonding defines cohesive forces between atoms of different chemical elements because of ions of opposite charged that attract one another. The bonding forms between two elements such that atoms in one of the elements lose electrons from its structure while and atoms of the other element gain the lost electrons into their structure... . The element that loses...
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Scientific Notation
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...atoms or molecules should be quantified in order to measure their mass or weight. In the same manner, it would be too complex to write their exact weight or amount considering that they can... ?Scientific Notation Numbers can be infinite. They can be too large or small. In this manner, it would be impractical to write them in such a way that it would take time and may be prone to mistakes. It is in line with this that scientific notation was discovered in order to make life more convenient in dealing with too large or small numbers. Scientific notation can be expressed in the following ways: Suppose we want to express 8,900 in a simple way using scientific notation, its new form would be 8.9 x 103. Thus, ...
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Essay on Lewis Structures
3 pages (750 words)
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...atom Inflexible sticks or straws for the single bonds a Flexible sticks or connectors for the double or triple bonds The lone pairs around the central atom requires inflexible sticks NB: the balls used should be different in color as well as size to ease the representation of the elements... Lewis Structures What Do Lewis Structures Mean? Studies in chemistry have involved representation of various concepts inmodels, structures and geometry. The Lewis structures, which were introduced by Gilbert N. Lewis (1916) are mostly referred to as the dot structures and geometries of molecules (Schodek and Bechthold 279), best understood in the concepts of the inner and valence electrons. This concept of the Lewis ...
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Structure and Bonding of 5 different materials (Chemistry)
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...atom is covalently... ? Physical properties entail the melting point, boiling point, hardness, electrical conductivity and the ease of solubility in polar and non-polar solvents. This report discusses five materials, the bonding present between their molecules and its effect on the physical properties. Silicon dioxide is abundantly present in the form of sand. It is hard i.e. very difficult to break into smaller parts and is resistant to abrasion. It is a non conductor of electricity, insoluble in both polar and non polar solvents and has a high melting temperature of around 1700oC (Jim, 2010). Silicon dioxide forms a giant covalent structure/lattice, extending in all the 3 dimensions. Each silicon atom...
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LAB REPORT
3 pages (750 words)
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...atoms in a molecules structure in accordance to the VSEPR Theory. The VSEPR theory is a model that seeks to forecast the nature of molecules from their Lewis structure. The different shapes are achieved by the minimization of repulsions between valence shell electrons of the central atoms. The methods used herein are in the order of; drawing the Lewis structures of molecules, predicting the molecular shapes and bond angles of these molecules, using models in the laboratory to represent these shapes and finally drawing the 3D sketches of the molecules. The ultimate intention is to determine the polarity... Lab Report This report looks at the works of a chemist in representing the molecular geometry of...
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Discovery of electrons(J,J Thomson)
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...atom.. His areas of interest included conduction of electricity through gases and cathode rays (Cambridge Physics, 2015). Cathode rays were an enigma during the late 1800s. Many... of the Essay Sub Paper Due Joseph John Thomson was born in Manchester in 1856 and studied in Owens College. He later moved to Cambridge to study Mathematics and in 1884 he became the Cavendish Professor of Physics and was also appointed as the Head of the Cavendish laboratory (Science Museum , 2015). This essay explores his discovery of the electron and his subsequent theories which won him the Nobel Prize for Physics in 1906. J.J Thomson discovered the electron in 1897 and set the basis of forming a detailed model of the ato...
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Why does it matter what shape a molecule has
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...atoms which are the smallest indivisible particles of matter “made up of negatively charged electrons in orbitals around positively charged nuclei” (RBI 1988, p.53). Atoms integrate through interactions between electrons to form units termed as molecules. These are the contexts in which the manner in which materials behave are described, whether they are simple gases, or complex biological structures. The bonds between atoms have distinct lengths, energy and direction which distinguish the atomic structure of materials. The shape of a molecule is formed by the spatial relationships of chemically bonded atoms... , and this feature contributes significantly to understanding how molecules react...
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Chemistre HW
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...atom bonded to a strongly electronegative atom exists in the vicinity of another electronegative atom with a lone pair of electrons. The Breakdown Water is an example of hydrogen bonding. Each water molecule can potentially form four hydrogen bonds with the surrounding water molecules. There are exactly the right numbers of + hydrogens and lone pairs so that every one of them can be involved in hydrogen bonding ( Fox, Marye, and James Whitesell, 95). In the case of ammonia, the amount of hydrogen bonding is limited by the fact that each nitrogen... Can Ammonia Support Life Introduction Hydrogen bonding is a type of force that forms a unique type of dipole-dipole attraction which occurs when a hydrogen...
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Skip navigation links BFS 3430-09D, PRINCIPLES OF FIRE BEHAVIOR (BFS3430-09D) >
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...atom while inorganic compounds do not have carbon atoms or it can be said that they lack carbon atom (Berger, 2000). Organic compounds are also flammable while inorganic compounds are inflammable. Organic compounds have low boiling and melting points while inorganic compounds have high melting and boiling points. In organic compounds, there is bonding between hydrogen and carbon while in inorganic compounds, no hydrogen and carbon bonding can be found out. As both types of compounds are different and are with different properties, therefore... Difference between Organic and Inorganic Compounds Roll No: Teacher: 28th June 2009 Difference between Organicand Inorganic Compounds There are two main classes of ...
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THE LARGE HADRON COLLIDER
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...atom smasher is a huge particle accelerator used by physicist to study the basic building blocks of all things-the atom. This study will revolutionize our understanding about the universe by understanding its fundamental building blocks. LCH works by smashing two atoms that is coming from opposite direction head on. Two beams of subatomic particles “hadrons”-either protons or ions, travel in opposite direction in a circular accelator. Physicists use the same condition to recreate the “Big Bang” or the condition that created the universe by smashing these two beams at a very high energy. It is thought that the universe’s basic component... The Large Hadron Collider The Large Hadron Collider (LHC) or...
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The Hydrogen Bond
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...atom covalently bonded to an electronegative atom is shared with a second electronegative atom (typically an oxygen, nitrogen or fluorine atom... The Hydrogen Bond is one of the most important components of existence and vitality. It occurs in many biological structures, such as DNA and proteinwhich are the "building blocks" of life. But perhaps the simplest system to understand the importance of hydrogen bonds is water. In liquid water and solid ice, the hydrogen bond is simply the chemical bond that exists between H2O molecules and keeps them together. Although relatively weak, hydrogen bonds are so numerous in water that they play a large role in determining their properties. The nature of the hydrog...
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Chemical equations, enthalpy changes and chemical equilibrium, acid, base and pH, and chemical reactions, chirality, simple organic functional groups and their reactions
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...atom. Figure 1 Compound A. 1. Explain what the terms chiral atom and chiral molecule mean. Chiral atom is an atom (mostly carbon) that is bonded to other distinct and different groups (usually four since carbon makes four bonds). It is therefore arguably correct to say it is one atom bonded to four different atoms or groups of atoms. Chiral molecule is one that has a non-identical stereo-center and therefore non-super imposable on its mirror image... Lecturer “Organic Chemistry” (a)  Compound A, shown in Figure is a biologically important molecule that is produced naturally by many plants and animals. It is also used as a treatment for Parkinson’s disease. This molecule contains a chiral carbon atom....
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Understanding The Periodic Table
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...atom of the element, its natural state at room temperature and its physical properties (Interactives, n.d.). This paper provides some basic information needed to understand the periodic table of elements. The Atom All matter is made up of very small particles called atoms. They are small, indivisible particles that cannot be seen by the naked eye. With the advancement of technology, atoms can now be viewed through scanning microscopes (Genesis, n.d.). Protons... ? UNDERSTANDING THE PERIODIC TABLE Your Full The Periodic table of elements is one of the tools in chemistry that plays a significant role in understanding the behavior of all the known elements. It provides useful information on the size of the...
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Chemistry
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...atom. The lone pair electron in the N atom cause attraction of positively charged metal and O ions towards the center resulting in V-shaped geometry. Q6. The type of transmission... Q1. MnF64- ↓ ‘_’ ↓ ↓ ↓ Q2. V (CO) 6 ↓↑ ↓↑ ↓↑ ↓↑ Q3. The feature of binding that explains the strong Fe-CO bond is due to strong Ỏ-bonding that is as a result of electron donation from CO to Fe in the haemoglobin. The metal requires at least four CO ligands to become electronically saturated. In fact Fe (CO) 5 is a stable form. Q4. NO+ ligand would form a bent i.e. V-shaped geometry in a metal complex. More electrons are pulled to N in the radical hence the metallic ion would be attracted to the partially negatively charged N a...
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Chemistry Assignment - Heat, Fire, Bohl model, Hydrogen
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...atom has been set aside for the quantum mechanical model. However, what is the evidence that the Bohr model "works" Why has it been set aside Answer: The evidence that Bohr's model works: The evidence that Bohr's model works is in the fact that, the moon is able to move around its orbital without crashing to the continent like Australia and it is also supported by Millikan's Oil Drop... Week1 DQ A fire is started in a fireplace by striking a match and lighting crumpled paper under some logs. Describe all the energy transfers in the scenario. Answer: Match stick is made up of (wood+sulphur) that contain chemical energy Striking the match involves scratching the sulphur end on the rough surface thus pr...
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Chapter 24
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...atom has a unique ability to form strong covalentbonds with other carbon atoms. This can result in long stable carbon chains and therefore a large number of compounds. 24.2 These are the compounds in which the carbon atoms are joined together through straight chains or cyclic groups. The aliphatic compounds include from simplest compound like Methane (CH4) to more complex compounds like fatty acids, alkenes and alkynes. Whereas the aromatic compounds are those compounds which have a cyclic carbon chain with alternating double bonds. A very important group of aromatic compounds includes benzene... which is a cyclic compound with 6 carbon atoms and alternate double bonds....
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How Stuff Works
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...atoms, they produce both visible and the X-rays. As Tom asserts, these electrons occupy dissimilar energy levels, or orbitals, around an atom’s nucleus. According to Tom, as the atom drops... ?INVENTION OF X-RAY As early as 1895 Wilhelm Roentgen, a German Physicist accidentally invented X- Ray when he was carrying out an experiment with electron beams in a gas discharge tube. Notably, this physicist observed a glow in the fluorescent screen after turning on the electron beam. There was nothing peculiar with this turn of event since under normal circumstances fluorescent materials always glow in reaction to electromagnetic radiation. What surprised Roentgen however is the fact that he had surrounded his...
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Canadian Cinema
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...Atom Egoyan and David Cronenberg. Therefore, we will identify any differences and similarities arising between this two film makers. Differences and similarities between Atom Egoyan and David Cronenberg Age David Cronenberg was born in Canada the year 1963 (69 years) while Atom was born in Egypt 1960 (52 years) but later relocated to Canada. Theme Egoyan’s work explores isolation and alienation themes, by featuring characters whose characters are presented through bureaucracy, technology and other power structures. Mostly, his films follow a non-linear plot structure... Topic Canadian film Introduction The aim of this thesis is to investigate, compare and contrast two Canadian film makers namely Atom...
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Reflection on Chemistry
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...atoms and molecules. Due to this, chemistry is often referred to as the science of atoms and molecules. Can we see, weigh and perceive these entities? Is it possible to count the number of atoms and molecules in a given mass of matter and have a quantitative relationship between mass and the number of atoms and molecules in an exact manner? The answer is precisely a No! Chemistry can be divided into branches according to either the substances studied or the types of study... ?Reflection on Chemistry Chemistry is a branch of science that deals with the composition, structure and the properties of matter. These aspects can be best described and understood in terms of the basic constituents of matter: atoms ...
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MRI (Classical theory Magnetic resonance)
9 pages (2250 words)
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...atom. An atom is composed of the nucleus (neutrons and proton with electrons revolving around the nucleus in orbits. The most basic features of the atom depend upon the two basic entities (1) Atomic number (z): it is the total number of protons inside the nucleus of the atom and (2) Atomic mass number (A): it is the total number of protons and neutrons inside the nucleus of the atom. Both of these entities play a significant role in producing a MRI active nuclei having active magnetic moment property. In electromagnetic laws a nucleus spining around... Question Magnetic moment is the property of the element which is due to the basic structure and construction of the smallest element of the element i.e...
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Question Set of Organic Solar Cells
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...Atoms within the filament become extremely energetic, and the corresponding electrons within them begin vibrating at diverse frequencies thereby producing radiation. The spectrum of the bulb is viewed via a diffraction grating depicting all colors. Question 2 The image composes of distinct colors that are mainly features of the gas, which explains utilizing Quantum Mechanics of the electrons within an atom solely exist within specific states (Kragh, 2012). Moreover, electrons... Question Set of Organic Solar Cells Question Yes, the resultant spectrum is unremitting which is explainable using classical mechanics. The hotness of the filament within the incandescent lamp makes it glows (Kragh, 2012). Atoms ...
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Chemical Principles
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...atom. 1/Wavelength = -10.97 * 106 * [(1/52 – 1/32) -10.97*106*(-16/225) 7.8*10^5 Wavelength = 1/(7.8*10^5) =>1.3*10-6 m. (b) What is the energy (in Joules) of the photon in part (i)? Express this figure as kJmol-1. Energy of one photon = hc/wavelength = (6.64*10^-34 * 3.0*108) / (1.3*10-6) =1.53*10-19 J. Energy per mole = 1.53*10-19 J/photon * 6.0*1023 photon/mol *(1/1000) KJ / J 92 KJ/mol. (c) What would be the velocity of an electron with the same wavelength as the photon in part (i)? P=h/wavelength mv = h/wavelength 9.1*10-31 * v= (6.63*10-34)/ (1.3*10-6) v= (5.1*10-28) / (9.1*10-31) 560m/s The frequency of 3 Write down the electron configuration... SECTION A A1 Calculate the wavelength of...
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Discuss the impact and importance the strategic bombing campaign had on Germany and Japan's ability to wage war
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...atom bombs was the bombing carried out in Tokyo which killed around 80,000 people and also destroyed about 300000 buildings.5 It was a fact that, “within areas devastated by attacks, substantial slow downs in production occurred.”6 Murray and Millet have also revealed that, the production of war-related materials in Germany was retarded by the air strikes.7 The air raids from the side of Japanese forces were also having their impact on the resistance power of Britain as well. It was reported that, in Britain, as early as in “1940 air raid shelters in big cities were becoming distressingly full of poor, chronically sick, homeless old people who had no where else to go.”8 Hence... ?One major allegation...
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Strategic bombing campaign
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...atom bombs was the bombing carried out in Tokyo which killed around 80,000 people and also destroyed about 300000 buildings.5 It was a fact that, “within areas devastated by attacks, substantial slow downs in production occurred.”6 Murray and Millet have also revealed that, the production of war-related materials in Germany was retarded by the air strikes.7 The air raids from the side of Japanese forces were also having their impact on the resistance power of Britain as well. It was reported that, in Britain, as early as in “1940 air raid shelters in big cities were becoming distressingly full of poor, chronically sick, homeless old people who had no where else to go.”8... One major allegation that...
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Mixture and a compound
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...atoms that form cations and anions is also given. Documentation... ? Mixture and a Compound al Affiliation This document contains elaborative differences between mixtures and compounds through their properties and formation, the variation of components that make them distinctive and how their components can be separated. It also describes how to differentiate an element and a compound despite being pure substances by results from decomposition. In the paper the metals, non-metals, and transitional elements are discussed to demonstrate the bonds. Ionic bonding formed between metals and non metals are explained and illustrated. Explanation following electrons transfer between the donor and receptor atoms...
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Positron Emission Tomography
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...atom has nucleons and the protons collectively known as nucleon. The mass number is the total number of nucleons present in a nucleus. A nuclide has the following composition, Atomic number denoted by Z, the neutron number denoted by N and the mass number denoted by A. isotopes are atomic species having identical properties in chemical composition (Z) but different mass numbers... Emission Tomography (ET) Emission Tomography is a medical imaging branch that comprises of Position Emission Tomography Techniques (PETT) and the Single Photon Emission Computed Tomography (SPECT). The Emission Tomography images the characteristics of a physiological body by use of radioactive materials. For example, the...
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Technology
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...atom. When the particles in the nucleus of an atom either split or merge with each other, massive amounts of energy are released. When the nucleus of the atoms of a nuclear material like uranium or plutonium is split by using a neutron, leading to the release of energy, this process is called nuclear fission (Mueller 93). In contrast when the two atoms of an element like... of the English of the Concerned 4 March Technology has Made Warfare More Lethal There is no denying the fact that war is something that has always been associated with death and destruction. However, the weapons used in earlier wars were limited in terms of the death and destruction they caused. Thereby the wars fought with...
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Chemistry
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...atom. An atom is composed of a nucleus. The atom also possesses atomic orbitals and energy levels which are made up of electrons. 2.) Explain the process of radioactive decay which takes place on (^14)(^6)C or what is known as carbon 14. A radio carbon such as carbon 14 will undergo a process of electron mission, therefore losing energy and moving ultimately to a place of chaos or entropy. The following formula will illustrate the radioactive beta decay which will act on carbon 14: ^14_6C------> ^14_7N+e 3). Utilize the S P D orbital system to describe Potassium. An orbital is essentially a theory of something rather than an actual something... . This orbital is said to contain electrons...
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Sociology 101
2 pages (500 words)
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...atoms (“Mixtures and Compounds”, 2011). Compounds are forms of matter that are homogeneous and composed of elements in fixed proportions (“Mixtures and Compounds”, 2011). One way to distinguish between mixtures and compounds is through the law of constant composition which states that the ratio by mass of the elements in chemical compound is always the same regardless of the source of the compound (“Elements, Compounds and Mixtures”, n.d.). Compounds have stable composition while mixtures don’t have. Another way to differentiate... Describe the difference between a mixture and a compound Mixtures are forms of matter described as heterogeneous and composed of variable proportions of molecules and atoms ...
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Introduction to Language and Communication - Assignment
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...atom that they thought was the smallest particle ever to exist, in reality, was not (Aubusson et al., 2006). After such a discovery, maybe science will soon come to find out that it was wrong concerning the age of the universe, evolution, the non... Introduction to Language and Communication Introduction to Language and Communication Example of an Analogy When something is in its logical form, this means that X is like Y in one way or another way; and Z is like Y in a different way, thus making X like Z (Aubusson, Harrison & Ritchie, 2006). One example of an analogy is that science normally gets things wrong. In the early years of the 20th century, particle physics helped scientists discover that the...
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Ernest Rutherford and Nuclear Physics contributions
8 pages (2000 words)
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...atoms and physics were thought of. Through his work and groundbreaking experiments, he was able to make many contributions to nuclear physics, from naming alpha and beta radiation (as well as the differences between the two), to splitting the nucleus of an atom in 1932. Ernest Rutherford was born on August 30, 1871, in Bridgewater, New Zealand, to James and Martha Rutherford. His father... of the electric field. It did not hurt in any way that Thomson was the one to discover that the “atom”, then known as the smallest unit of matter, was not in fact the smallest, but made up of even smaller particles, giving yet another area of interest for Rutherford to experiment with...
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