Question

Which one of the following ions is not

monovalent?

A. Ammonium

B. Sulphite

C. Nitrate

D. Chloride

E. Sodium​

Answer 1

Answer:

your answer will come like this I think...

Explanation:

A molecular ion is a covalently bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero. Unlike a molecule, which has a net charge of zero, this chemical species is an ion.

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Answer 2

Answer:

Na,K,Cs (sodium, potassium, and cesium)all are a group one element hence they all are monovalent but aluminum is group -13 elements, therefore, having three electrons in its valence shell hence it forms Al+3 ion and it is trivalent.

therfore, ammonium is the correct answer

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