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5 Written Questions

5 Multiple Choice Questions

  1. electrons moved in a wave function
  2. found out that the total mass of reactants was = to the total mass of products; Law of Conservation
  3. 1.) all matter is composed of atoms
    2.) atoms of the same element are identicle
    3.)atoms can't be subdivided, created, nor destroyed
    4.) atoms of different elements combine to form compounds
    5.) during chemical reactions, atoms are combined, separated,or rearranged
  4. mass is neither created nor destroyed during ordinary chemical reactions or physical changes
  5. designed the plumb pudding model which explained the distribution of electrons

5 True/False Questions

  1. Milikanused an oil drop experiment that suspended electrons long enough for him to measure mass

          

  2. Democritusused an oil drop experiment that suspended electrons long enough for him to measure mass

          

  3. Daltonproposed the 1st atomic theory; law of multiple porportions

          

  4. Plancklaw of definate porportion (proust's law)

          

  5. Did Aristotle agree with Democritus' concept?No, he believed in the elements fire, water, earth, and air.

          

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