Chemistry

7th -

12thgrade

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Nuclear Chemistry

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Which is not a part of an atom's nucleus?
    Neutron
    Proton
    Electron
    All are part of the nucleus
  • 2. Multiple Choice
    30 seconds
    1 pt
    An isotope has a different number of
    electrons
    neutrons
    protons
    positrons
  • 3. Multiple Choice
    30 seconds
    1 pt
    The average atomic mass for silicon will be closest to...
    Si-28 (92% abundance)
    Si-29 (5% abundance)
    Si-30 (3% abundance)
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