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5 Written questions

5 Matching questions

  1. Soddy
  2. Millikan
  3. Schroedinger
  4. Moseley
  5. Rutherford
  1. a devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  2. b oil drop experiment led to determine the charge of an electron
  3. c determined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons
  4. d discovered isotope
  5. e gold foil experiment, discovered nucleus

5 Multiple choice questions

  1. proposed light is energy that behaves as particles, photoelectric effect
  2. math equation to describe wavelength of an electron
  3. propose that matter is made up of atoms
  4. electrons enter lowest energy level first
  5. arranged elements according to atomic mass, called it "Periodic Table"

5 True/False questions

  1. Marie Curiereplaced diagrams with letters for elements


  2. Chadwickdiscovered the neutron, no charge, same mass as proton


  3. Pauliproposed light energy is emitted as particles carrying definite quantities of energy in small amounts


  4. Bequereldiscovered radioactivity


  5. Bohrcontributed 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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