Science

9th

grade

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Periodic Table

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20 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    The Modern Periodic Table of Elements is arranged by
    atomic mass
    atomic number
    valence electrons
    number of isotopes
  • 2. Multiple Choice
    1 minute
    1 pt
    Image
    What does the 6 represent?
    atomic mass
    atomic number
    element name
    chemical symbol 
  • 3. Multiple Choice
    1 minute
    1 pt
    Image
    What does 12.011 represent?
    atomic mass
    atomic number
    element name
    chemical symbol 
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