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7 Written questions

6 Multiple choice questions

  1. Group 2A (aka Group 2); shiny solids; harder than alkali metals; turn white when exposed to oxygen; never found alone in nature; make +2 ions
  2. Groups 1A through 7A (aka Groups 1, 2, 13-18); display a wide range of physical and chemical properties
  3. weighted average of all the isotopes
  4. Discovered that the nucleus was positive, mostly empty space, and very dense. Also discovered the proton. Performed the Gold Foil Experiment
  5. 1. All elements are composed of tiny indivisible particles called atoms
    2.Atoms of the same elements are the same
    3. atoms can be combined in simple whole number ratios to make compounds
    4. Chemical reactions occur when atoms are separated, joined, rearranged
  6. same element with different number of neutrons

6 True/False questions

  1. Inner Transition MetalsGroups 3-12

          

  2. Atomic NumberNumber of Protons (Z)

          

  3. Mass NumberNumber of Protons (Z)

          

  4. Halogens1. All elements are composed of tiny indivisible particles called atoms
    2.Atoms of the same elements are the same
    3. atoms can be combined in simple whole number ratios to make compounds
    4. Chemical reactions occur when atoms are separated, joined, rearranged

          

  5. DemocritusGreek philosopher, 1st to conceive of matter being particulate

          

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