Chemistry

8th

grade

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Valence Electron Practice

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15 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
    How many valence electrons are in an atom of Se?
    2
    8
    6
    5
  • 2. Multiple Choice
    2 minutes
    1 pt
    How many valence electrons are in an atom of Ba?
    2
    8
    4
    1
  • 3. Multiple Choice
    30 seconds
    1 pt
    How many valence electrons are in an atom of Ar?
    2
    8
    4
    1
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