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representative elements
name given to the elements in groups 1,2 and 13-18 that represent a wide range of chemical and physical properties; also called main-block elements
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  April 19 in chemistry
  1776 - Antoine Lavoisier claimed the right to the discovery of oxygen (O, element 8), arguing that he and Joseph Priestley discovered the same facts, but that he recognized oxygen as an element while Priestley explained it in terms of phlogiston theory.
  1864 - Samuel C. Hooker born: sugar chemistry.
  1912 - Glenn T. Seaborg born: codiscoverer of plutonium (Pu, element 94), americium (Am, 95), curium (Cm, 96), berkelium (Bk, 97), californium (Cf, 98), einsteinium (Es, 99), fermium (Fm, 100), mendelevium (Md, 101), nobelium (No, 102), and seaborgium (Sg, 106) (named by his coworkers); Nobel Prize, 1951.
  1917 - Ines Hochmuth Mandl born: biochemical basis of pulmonary emphysema; medicinal uses of collagenases, elastases, and their inhibitors; Garvan Medal, 1982
  1929 - François-Charles-Léon Moureu born: organic chemistry; oxidation and antioxidants; first president of IUPAC.
  1933 - Monsanto (part of Pharmacia corporation as of April 2000) incorporated.
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  Latest Homework
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2
Tuesday 4.17.2018
  Complete the packet on Combined, and Ideal gas laws
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Next Test: 4/10/2018       Chapter: 9

5
Friday 4.13.2018
  Complete the packet on Boyle's, Charles, Gay-Lussac & Avogadro's laws
Next Test: 4/11/2018       Chapter: 9

6
Friday 4.13.2018
  Prepare for the lab on Tuesday.
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7
Friday 4.13.2018
  Complete the packet on Boyle's, Charles, Gay-Lussac & Avogadro's laws.
Next Test: 4/11/2018       Chapter: 9

8
Thursday 4.12.2018
  Prepare for the lab on Tuesday.
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