Which of the following is a polyatomic ion?

A N₂

B. HCl

C. S2

D. PO43-

Going by the word “poly” meaning “many” or “numerous”, a polyatomic ion refers to an ion that is made up of at least two atoms. The atoms on a polyatomic ion are most often bound by covalent bonds, and based on the connection or bond formed between two ions, polyatomic ions could either be positively charged or negatively charged.

A good example of a polyatomic ion is phosphate ion (PO43).

Physics

3 years ago

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