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5 Written Questions

5 Matching Questions

  1. Hunds rule
  2. Pauli
  3. Dalton
  4. Goldstein
  5. Rutherford
  1. a pairs of electrons are not formed until each orbital of each level has one electron
  2. b tiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical
  3. c gold foil experiment, discovered nucleus
  4. d max number of electrons in each orbital is 2 with opposite spins
  5. e observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton

5 Multiple Choice Questions

  1. arranged elements according to atomic mass, called it "Periodic Table"
  2. determined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons
  3. math equation to describe wavelength of an electron
  4. devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  5. discovered the neutron, no charge, same mass as proton

5 True/False Questions

  1. Thomsondiscovered the electron, Plum pudding model


  2. Millikanproposed light is energy that behaves as particles, photoelectric effect


  3. Democritusreplaced diagrams with letters for elements


  4. Berzeliusreplaced diagrams with letters for elements


  5. Bohrdiscovered isotope


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