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5 Written questions

5 Multiple choice questions

  1. proposed the 1st atomic theory; law of multiple porportions
  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. regardless of the size of the sample, a chemical compound will always contain the same elements of the same porportions

5 True/False questions

  1. Bohrcame up w/ bohr model; an electron heated at ground state jumps to excited state and releases a photon color

          

  2. Planckfound out that energy was connected to frequency based on the # planck's constant. Studied color lines

          

  3. Schrodinger (aka math guy)created data that better explains where electrons are located in the atom

          

  4. Democrituscame up w/ the concept of the atom

          

  5. Law of Multiple Porportionsregardless of the size of the sample, a chemical compound will always contain the same elements of the same porportions