What are polyatomic ions? Give four examples of polyatomic ions.

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Solution

Polyatomic ions are those ions that contain two or more atoms of elements. A group of atoms carrying a charge is a polyatomic ion.

NAME OF ION

ION

CONSTITUENT ATOMS

Ammonium

$N {H_{4}}_{4}^{+}$

1N, 4H

Sulphate

$S {O_{4}}_{4}^{2 -}$

1S, 4O

Permanganate

$M n {O_{4}}_{4}^{-}$

1Mn, 4O

Carbonate

$C {O_{3}}_{3}^{2 -}$

1C, 3O

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What are polyatomic ions? Give examples?

N H_{4}^{+}

$({N H}_{4})^{+}$ , $({S O}_{4})^{2 -}$ are examples of _________________.

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