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5 Written questions

5 Matching questions

  1. Mendeleev
  2. Goldstein
  3. Schroedinger
  4. Moseley
  5. Thomson
  1. a devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  2. b arranged elements according to atomic mass, called it "Periodic Table"
  3. c observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton
  4. d determined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons
  5. e discovered the electron, Plum pudding model

5 Multiple choice questions

  1. math equation to describe wavelength of an electron
  2. developed a system of naming elements, used circles and derivations of circles for elements
  3. electrons enter lowest energy level first
  4. proposed light is energy that behaves as particles, photoelectric effect
  5. contributed to concept of energy levels to atomic theory, electrons move in circular orbits around nucleus, electrons jump to different energy levels

5 True/False questions

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

          

  2. Daltontiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical

          

  3. Rutherforddiscovered the electron, Plum pudding model

          

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

          

  5. Marie Curiecoined it