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Andrei [34K]
3 years ago
10

1. To become stable, the following element:

Chemistry
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

A

Explanation:

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

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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:

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