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Science

9th -

12thgrade

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Writing Ionic Formulas

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  • 1. Multiple Choice
    3 minutes
    1 pt
    What is the correct formula for the compound, lithium oxide?
    LiO
    Li2O
    LiO2
    Li2O2
  • 2. Multiple Choice
    1 minute
    1 pt
    What is the formula for manganese(III) oxide?
    MgO
    Mg2O3
    MnO
    Mn2O3
  • 3. Multiple Choice
    1 minute
    1 pt
    From the following ionic compounds, choose the name-formula pair that is not correctly matched.
    sodium sulfide  Na2S
    ammonium nitrate 
    NH4NO3
    sodium sulfate 
    Na2SO3
    calcium oxide  CaO
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