unit 4 Chemistry Quiz review

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anitaebrahimi
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286503
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unit 4 Chemistry Quiz review
Updated:
2014-10-21 02:44:26
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Chemistry
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Chemistry
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  1. donde estan metals, non-metals, and metalloids on the periodic table
  2. Dónde Están alkali metals, alkaline earth metals, transition metals, halogens, noble gases.
  3. physical properties of Alkaline metals, alkaline earth metals, transition metals, halogens noble gases
    • Alkali metal- metals, solids, highly reactive, increase grp
    • Alkaline earth metals- metals, solid, reactive increase, increase grp

    Halogens- non metals, all states present, highly reactive, decreases grp

    Noble gases- Non metal, gases, stable, inert
  4. Describe the contribution to atomic theory by Dalton, Thomson, Rutherford, Bohr, and Schrodinger
    • Dalton: billiard ball theory
    • Thomson: Cathode Ray Tube Experiment
    • Rutherford: Gold Foil Experiment
    • Bohr: bohr atomic model of a nitrogen atom
    • Schrodinger: Quantum (wave), mechanical model
  5. brief outline of historical development of periodic table including contributions from Mendeleev and Moseley
    • Mendeleev- atomic mass
    • Moseley- atomic number
  6. result of gold foil experiment
    dense positive nucleus
  7. proton neutrons and electron
    • protons and neutrons are equal in mass (1amu)
    • electrons are 1/837 of a proton
  8. N+ what = mass3
    proton
  9. Uranium-235

    Which is mass number
    235
  10. avg atomic mass equation
    (isotope#1)(mass)+(isotope#2)(mass)+.....
  11. nuclear symbol

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