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5 Written Questions

5 Multiple Choice Questions

  1. came up w/ bohr model; an electron heated at ground state jumps to excited state and releases a photon color
  2. found out that the total mass of reactants was = to the total mass of products; Law of Conservation
  3. In a compound of 2 of the same element, the mass of the second element combines with that of the 1st element, and it's ration consists of small whole numbers
  4. found out that energy was connected to frequency based on the # planck's constant. Studied color lines
  5. created data that better explains where electrons are located in the atom

5 True/False Questions

  1. Law of Conservationregardless of the size of the sample, a chemical compound will always contain the same elements of the same porportions


  2. 5 postulates1.) 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


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


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


  5. Thomsonproposed the 1st atomic theory; law of multiple porportions


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