Chemistry

7th -

9thgrade

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Atomic Structure

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21 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt
    Image

    What is the Atomic Mass Number?

    5

    10

    15

    Positive

  • 2. Multiple Choice
    20 seconds
    1 pt
    Image

    What is the Atomic Number?

    9

    10

    19

    Negative

  • 3. Multiple Choice
    20 seconds
    1 pt
    Image

    What is the overall charge?

    -1

    3

    5

    +1

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