Chemistry

9th -

10thgrade

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Criss-cross method

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6 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
    Is Iron (Fe) an element or a compound?
    Element
    Compound
  • 2. Multiple Choice
    2 minutes
    1 pt
    Ba +3 and  Cl-
    Ba3Cl
    Ba3Cl3
    BaCl3
    BaCl
  • 3. Multiple Choice
    2 minutes
    1 pt
    Fe +3  and  S -2
    Fe3S2
    FeS
    S3Fe2
    Fe2S3
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