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5 Written questions

5 Matching questions

  1. Dalton
  2. Lavoisier
  3. Millikan
  4. Hunds rule
  5. Bequerel
  1. a pairs of electrons are not formed until each orbital of each level has one electron
  2. b designed balance, performed quantitative experiments, Law of Conservation of Mass
  3. c oil drop experiment led to determine the charge of an electron
  4. d developed a system of naming elements, used circles and derivations of circles for elements
  5. e discovered radioactivity

5 Multiple choice questions

  1. discovered the electron, Plum pudding model
  2. contributed to concept of energy levels to atomic theory, electrons move in circular orbits around nucleus, electrons jump to different energy levels
  3. gold foil experiment, discovered nucleus
  4. arranged elements according to atomic mass, called it "Periodic Table"
  5. determined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons

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. Democrituspropose that matter is made up of atoms

          

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

          

  4. Marie Curiecoined it

          

  5. Berzeliuspropose that matter is made up of atoms

          

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