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5 Written Questions

5 Matching Questions

  1. Lavoisier
  2. Planck
  3. Rutherford
  4. Debroglle
  5. Berzelius
  1. a proposed light energy is emitted as particles carrying definite quantities of energy in small amounts
  2. b gold foil experiment, discovered nucleus
  3. c replaced diagrams with letters for elements
  4. d math equation to describe wavelength of an electron
  5. e designed balance, performed quantitative experiments, Law of Conservation of Mass

5 Multiple Choice Questions

  1. propose that matter is made up of atoms
  2. determined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons
  3. proposed light is energy that behaves as particles, photoelectric effect
  4. tiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical
  5. observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton

5 True/False Questions

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

          

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

          

  3. Daltonmax number of electrons in each orbital is 2 with opposite spins

          

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

          

  5. Bequereldiscovered radioactivity

          

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