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Chemistry

9th -

12thgrade

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Atomic Structure Checkpoint

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    An atom has 5 protons and 6 neutrons.  What is its mass number?
    5
    6
    11
    16
  • 2. Multiple Choice
    30 seconds
    1 pt
    What is another term for the number of protons an element has?
    Mass number
    Atomic number
    Electron number
    Atomic mass
  • 3. Multiple Choice
    30 seconds
    1 pt
    Which subatomic particle is found outside of the nucleus?
    Electron
    Proton
    Neutron
    Quark
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