Question

What are polyatomic ions? Give two example.​

Answer 1

Answer:

The prefix poly- means "many," in Greek, but even ions of two atoms are commonly referred to as polyatomic. Examples: Carbonate (CO32-), sulphate (SO42-), nitrate - NO3- and hydroxide ions OH- are all polyatomic ions

Explanation:

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Answer 2

Answer:

Polyatomic ions is the group of atom carrying positive or negative charge.

For example,ammonium ion, NH4+, is a polyatomic ion which is made up of two types of atoms, nitrogen (N) and hydrogen (H) joined together.

Similarly,carbonate - CO3-2 , sulphate - SO4-2, nitrate - NO3- and hydroxide ions OH- are all polyatomic ions.