The formula for europium oxide is Eu203. On the basis of this information, the formula for the chlorate of europium would be expected to be

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27-06-2021
Chemistry

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The formula for europium oxide is Eu203. On the basis of this information, the formula for the chlorate of europium would be expected to be

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2021-07-03T02:35:30+02:00

Answer:

Eu(ClO3)3

Explanation:

The chlorate ion is written as follows, ClO⁻ ₃. We can see from this that the ion is univalent.

From the formula, Eu203, it is easy to see that the europium ion is trivalent.

Hence, when a compound is formed between the europium ion and chlorate ion, the compound will be written as Eu(ClO3)3.

This is so because, when ionic compounds are formed, there is an exchange of valence between the ions in the compound. This gives the final formula of the ionic substance.