Answer:
It's compound? It's chemical compound would be represented my letters or numbers
1. E. None of the Above
2. D. x + y
A. conduction
that is the correct answer
Answer:

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:

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

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