Question

Why is a polyatomic ion not called a molecule?

Answer 1

Answer:

Explanation:

Polyatomic ions contain two or more atoms bonded together in a manner that there is still a charge on the molecule.

Monatomic ions are charged atoms of single element,

Examples of monatomic ions include, sodium ions are

Na+

and Fluoride ions are

F− ,

However, examples of polyatomic ions are

NO−3 , PO−3,4 and NH+4

. In each case the ion is composed of more than one atom.