3 years ago

If element A is in Group 13 and element B is in Group 17, which ions will be formed when A and B react together?

Chemistry

1 answer:

Kobotan [32]3 years ago

8 0

Answer:

A3+ and B-

Explanation:

Elements in group 13 have outermost electron configuration, ns2np1 hence they form trivalent positive ions.

Elements in group 17 have outermost electron configuration ns2np5 hence they form univalent negative ions.

This implies that, if element A is in Group 13 and element B is in Group 17, the ions formed are A3+ and B-.

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