Question

$what \: is \: polyatomic \: ions \: \\ give \: some \: examples \\ \\ \\ \\ please \: guys \: help \: me \:$

Answer 1

A polyatomic ion, also known as a molecular ion, is a charged chemical species composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means "many," in Greek, but even ions of two atoms are commonly referred to as polyatomic. 

Answer 2

the ions which contains more than one atom is called polyatomic ions.

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