Question

An example of polytamic anoin would be a. Ca+2 b. NH4+ c. F d. PO4-3

Answer 1

$PO_4^{-3}$ and $NH^{4+}$ are polyatomic anions composed of two or more atoms.

What is a polyatomic anion?

A polyatomic ion is an ion composed of two or more atoms. Examples: The hydroxide cation ($OH^-$) and the phosphate cation ($PO_4^{3-}$) are both polyatomic ions.

$PO_4^{-3}$ and $NH^{4+}$ are the polyatomic anions because both contain more than 1 atom.

Hence,$PO_4{-3}$ and $NH^{4+}$ are polyatomic anions composed of two or more atoms.

Learn more about the polyatomic anion here:

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