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Combo with "AP Chemistry: The Periodic Table" and 2 others Test

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7 Written Questions

6 Multiple Choice Questions

  1. Discovered the neutron, worked on the Manhattan Project during WWII
  2. 1 AMU is 1/12 of the mass of C-12
  3. Found mass and charge of electron, performed oil drop experiment
  4. Protons and neutrons, make up most of the mass of the atom, extremely dense
  5. Discovered the electron, Plum Pudding Model, Cathode Ray Experiment (ray of electrons bent toward the positive plate)
  6. Number of protons plus number of neutrons (A)

6 True/False Questions

  1. Ernest RutherfordDiscovered that the nucleus was positive, mostly empty space, and very dense. Also discovered the proton. Performed the Gold Foil Experiment

          

  2. Atomic NumberNumber of Protons (Z)

          

  3. Noble GasesProtons and neutrons, make up most of the mass of the atom, extremely dense

          

  4. Alkaline Earth MetalsGroup 2A (aka Group 2); shiny solids; harder than alkali metals; turn white when exposed to oxygen; never found alone in nature; make +2 ions

          

  5. Inner Transition MetalsTop row: Lanthanides (4f); Bottom Row: Actinides (5f); most are radioactive; all actinides starting at plutonium are man-made; all are solids

          

  6. Average Atomic Massweighted average of all the isotopes

          

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