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16 October, 00:13

1) If calcium were to combine with the compound barium nitrate, which member of the barium nitrate would calcium replace?

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  1. 16 October, 03:07
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    Calcium would displace barium.

    Explanation:

    Ba (NO₃) ₂ + Ca - -> Ca (NO₃) ₂ + Ba

    There are two types of compounds: molecular/covalent and ionic.

    Molecular/covalent compounds are non-metal + non-metal.

    Ionic compounds are metal + non-metal.

    Looking at the periodic table, barium is a metal. Calcium is also a metal.

    Checking a polyatomic ions chart would tell you NO₃⁻ is a non-metal because it has a negative charge.

    Since there is no metal + metal compound, the calcium metal would displace barium. The compound remains ionic.
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