Historical Development of Atomic Structure Yazan Fahmawi Sept. 30‚ 1995 T3 IBS Chemistry Ms. Redman The idea behind the "atom" goes back to the Ancient Greek society‚ where scientists believed that all matter was made of smaller‚ more fundamental particles called elements. They called these particles atoms‚ meaning "not divisible." Then came the chemists and physicists of the 16th and 17th centuries who discovered various formulae of various salts and water‚ hence discovering the idea of a molecule
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the unborn any less valuable than that of a born child. His premises of science and philosophy were clearly stated and undoubtedly supported his conclusion in a logical manner that abortion is murder‚ and therefore should be illegal. Professor Chadwick‚ on the other hand‚ a proclaimed pro-choicer‚ argued that abortion should remain legal because we cannot deny the woman a right to choose. She makes a point in the beginning of her argument that arguments have to consistent to be considered valid
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Shaw‚ B.‚ Emery‚ G.‚ 1979. Cognitive Ther apy of Depression. Guilford‚ New York. Chadwick‚ P.D.J.‚ Lowe‚ C.F.‚ 1990. Measurement and modi fication of delusional beliefs. J. Consult. Clinical Psychology‚ 58‚ 225–232. Chadwick‚ P.D.J.‚ Lowe‚ C.F.‚ 1994. A cognitive approach to measuring and modifying delusions. Behavioural Research Therapy 32‚ 355-367 Chadwick‚ P.D.J.‚ Lowe‚ C.F.‚ Horne‚ P.J.‚ Higson‚ P.J.‚ 1994 Chadwick‚ P.‚ Birchwood‚ M.‚ 1994. The omnipotence of voices: A cognitive approach to auditory
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standards would be a very important step in the accounting world. The use of these standards would provide more informative financial reports with greater clarity and consistency and easily understandable with high quality. • Norwalk Agreement (October 2002) Norwalk Agreement refers to a Memorandum of
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gastroenteritis. The history of the Norovirus and how it got is name is very interesting. In 1968 in Norwalk‚ Ohio there was an outbreak of sickness after investigation and research it was found to be caused by this virus. The virus was then named the Norwalk virus or agent. It was first classified as a small round virus. Then later after genetic studies in 1990 the molecular cloning of the Norwalk virus genome led to the classification of this virus into the family Caliciviridae‚ then its name was
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BIOLOGICAL HAZARDS Biological hazard are acquired from disease causing microorganism and the poisonous toxins they may produce. Biological hazard are far the most dangerous foodborne hazard in the food service and food retail businesses. These includes harmful microorganism seen only in the microscope 1. BACTERIA 2.VIRUSES 3. PARASITES 4. MOLDS 5. YEAST Other living organism are: • Insects: RODENTS FARM ANIMAL DOMESTIC PETS BIRDS FISH PLANTS TRANSMIT DISEASE TO HUMAN BEING
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part of the atomic model because they both proved J.J. Thompson’s model completely wrong. Rutherford proved that an atom contains a nucleus and protons and electrons‚ while Bohr proved his model by using quantum physics. Then number four is James Chadwick because he proved that atoms contain neutrons by using his radiation experiments. This was an important discovery in a sense that he proved to Bohr and Rutherford that an atom does not only include protons and electrons. J. J. Thompson is number
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that atoms of a particular element were the same size and weight. By 19114‚ the theory that contributed most to our knowledge of the structure of the atom was by Ernest Rutherford. There are more atomists such as J.J. Thomson‚ Niels Bohr‚ James Chadwick‚ Marie Curie and Henry Moseley. An atom contains three subatomic particles‚ which are protons and neutrons that are found at the center of the nucleus and around the nucleus there are electrons. There are many atomic models corresponding with the
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deaths‚ are estimated to occur each year." (Geneva 2) The most commonly recognized food borne infections are those caused by the bacteria Campylobacter‚ Salmonella‚ and E. coli 0157:H7‚ and by a group of viruses called Calicivirus‚ also know as the Norwalk viruses. "Thousands of types of bacteria are naturally present in our environment‚ but not all bacteria cause disease in humans." (Schmutz 1) Campylobacter is a bacterial pathogen that causes fever‚ diarrhea‚ and abdominal cramps. It is the commonly
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interesting was the point that she made no reference of her gender‚ her only interest was to continue to service her patron. However‚ the fact that she never requested payments for her work could be attributed to her social status. As Whitney Chadwick (2007) noted “ Sofonisba Anguissola came from a prominent family and because of this she was not allowed to sell her work‚ they were mostly promoted in the form of gifts (p.79). Aside from Anguissola introvert approach to her work‚ her well-established
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