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5 Written questions

5 Matching questions

  1. Berzelius
  2. Mendeleev
  3. Chadwick
  4. Einstein
  5. Bequerel
  1. a discovered the neutron, no charge, same mass as proton
  2. b replaced diagrams with letters for elements
  3. c proposed light is energy that behaves as particles, photoelectric effect
  4. d arranged elements according to atomic mass, called it "Periodic Table"
  5. e discovered radioactivity

5 Multiple choice questions

  1. coined it
  2. gold foil experiment, discovered nucleus
  3. proposed light energy is emitted as particles carrying definite quantities of energy in small amounts
  4. devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  5. discovered the electron, Plum pudding model

5 True/False questions

  1. Democritusreplaced diagrams with letters for elements


  2. Moseleydetermined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons


  3. Aufbauelectrons enter lowest energy level first


  4. Soddydiscovered isotope


  5. Lavoisierdesigned balance, performed quantitative experiments, Law of Conservation of Mass


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