Glossary

  1. Write the symbol for each atoms or ion. For example,
    3 protons, 2 electrons = Li+

    • 25 protons, 30 neutrons, 25 electrons
    • 94 protons, 150 neutrons, 94 electrons
    • 13 protons, 14 neutrons, 10 electrons
  2. Give the name and symbol of the element represented by X for each of the following isotopes:
    • 188
      X
      76
    • 34
      X2-
      16
    • 85
      X+
      37
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Chemistry Department
British Columbia Institute of Technology, Burnaby, B.C. Canada.
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