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Science

7th

grade

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Counting Atoms

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Number of C's in 2Na₂CO₃
    1
    2
    3
    5
  • 2. Multiple Choice
    30 seconds
    1 pt
    How many Elements are in the compound C2H8O ?
    2
    1
    3
    0
  • 3. Multiple Choice
    30 seconds
    1 pt
    How many total atoms are in the compound C2H8O ?
    11
    2
    8
    1
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