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5 Written Questions

5 Matching Questions

  1. Millikan
  2. Einstein
  3. Goldstein
  4. Chadwick
  5. Lavoisier
  1. a observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton
  2. b designed balance, performed quantitative experiments, Law of Conservation of Mass
  3. c proposed light is energy that behaves as particles, photoelectric effect
  4. d discovered the neutron, no charge, same mass as proton
  5. e oil drop experiment led to determine the charge of an electron

5 Multiple Choice Questions

  1. proposed light energy is emitted as particles carrying definite quantities of energy in small amounts
  2. coined it
  3. devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  4. arranged elements according to atomic mass, called it "Periodic Table"
  5. math equation to describe wavelength of an electron

5 True/False Questions

  1. Daltondiscovered the electron, Plum pudding model


  2. Aufbauelectrons enter lowest energy level first


  3. Rutherforddiscovered the electron, Plum pudding model


  4. Paulimax number of electrons in each orbital is 2 with opposite spins


  5. Soddycontributed to concept of energy levels to atomic theory, electrons move in circular orbits around nucleus, electrons jump to different energy levels


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