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Natalija [7]
2 years ago
7

the formula of calcium oxide is CaO. What is the formula of the ionic compound containing calium abd sulfate ions

Chemistry
1 answer:
sineoko [7]2 years ago
5 0

Answer:

CaS

Explanation:

Hello!

In this case, since calcium's oxidation state when forming ionic bonds is +2 and sulfur's oxidation state when bonding those bonds is -2, for the required formula we write:

Ca^{2+}S^{2-}

Now, since they have the same charge number, we infer the ionic compound formed when they bond is calcium sulfide:

CaS

Best regards!

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