3 years ago

Which set of atoms will form an ionic compound?

1 answer:

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Explanation:

An ionic compound is formed when one atom donates one or more electrons to one or more atoms of another element. Calcium has two valence electrons, which are donated to an atom of oxygen. So, an ionic compound is formed in the reaction involving one calcium atom with an oxygen atom.

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Predict the outcome of this reaction. Balancing doesn't matter. <br><br> Mg + H2O -->

ELEN [110]

Answer:

MgO + H₂

Explanation:

The products of reaction is MgO and hydrogen gas.

This is a single displacement reaction.

In this reaction, the possibility of the reaction is determined by position of the atoms on the activity series.

Mg is higher than H on the activity series, so it is more reactive and it then displaces the hydrogen in water;

Mg + H₂O → MgO + H₂

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