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5 Written questions

5 Multiple choice questions

  1. 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
  2. law of definate porportion (proust's law)
  3. came up w/ bohr model; an electron heated at ground state jumps to excited state and releases a photon color
  4. regardless of the size of the sample, a chemical compound will always contain the same elements of the same porportions
  5. mass is neither created nor destroyed during ordinary chemical reactions or physical changes

5 True/False questions

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


  2. Democrituscame up w/ the concept of the atom


  3. Thomsondesigned the plumb pudding model which explained the distribution of electrons


  4. Lavoisierfound out that the total mass of reactants was = to the total mass of products; Law of Conservation


  5. 5 postulateselectrons moved in a wave function