How do polyatomic ions differ from monatomic ions?

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How do polyatomic ions differ from monatomic ions?

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Answer 1 · 2018-06-23T03:29:42

By the number of atoms present in the ion.

Explanation:

Monoatomic ions are ions that consist of single atom . For example:
potassium ion, $K^{+}$ $K^"+"$
magnesium ion, $M g^{2+}$ $Mg^"2+"$
aluminum ion, $A l^{3+}$ $Al^"3+"$
nitride ion, $N^{3-}$ $N^"3-"$
oxide ion, $O^{2-}$ $O^"2-"$

Polyatomic ions are ions that consist of a cluster of atoms (more than one bonded to each other). For example:
ammonium ion, $N H_{4}^{+}$ $NH_4^"+"$
carbonate ion, $C O_{3}^{2-}$ $CO_3^"2-"$
nitrate ion, $N O_{3}^{-}$ $NO_3^"-"$
cyanide ion, $C N^{-}$ $CN^"-"$

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How do polyatomic ions differ from monatomic ions?

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