Science

9th

grade

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Metals, Non-Metals and Ions Quiz

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10 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
    What usually forms the positive ion?
    Metal
    Non Metals
    None
  • 2. Multiple Choice
    45 seconds
    1 pt
    What is a valence electron?
    an electron that is found in the outermost shell of an atom. 
    an electron found in the innermost shell of an atom.
    an electron found in the middle shell.
  • 3. Multiple Choice
    45 seconds
    1 pt
    What is the number of valence electrons for Beryillum?
    1
    4
    2
    7
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