Question

what are polyatomic ions? Give some examples.

Answer 1

Polyatomic ions are ions which consist of more than one atom. For example,nitrate ion, NO3-, contains one nitrogenatom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.
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Answer 2

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⭐ POLYATOMIC ION --»» A polyatomic ion is a group of atoms carrying a positive or negative charge .

⭐ EXAMPLES OF POLYATOMIC ION--✒

1) ammonium ion (NH4)

2)sulphateion (SO4 ^2−).

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