Question

oxide and sulphide ion are respectively a


(A)both are divalent


(B)univalent and divalent


(c)Divalent and univalent


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Answer 1

Answer:

A) both are divalent.

Explanation:

Oxides formed have a valency of 2 as it forms diatomic molecules. It forms 2 valency as by considering the electronic configuration, it has 6 electrons in its last shell and hence gains 2 electrons to become stable forming O(-2).

Similar is the cause for sulphide, being a molecule, it has 2 valency and forms diatomic compounds.

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Answer 2

Answer:

answer b

a univalent and divalent