Ions

What is ${{\mathrm{NO}}_3}^{-}$ in chemistry?

Potassium and potassium ions:

A group of atoms carrying a fixed charge on them are called _____ ions.

_____ ion is a group of atoms carrying a charge.

A negatively charged ions are known as _____.

A positively charged ion is known as _____.

_____ is a charged particle which is either positively or negatively charged.

SO₄^2- and NO₃^- are examples of _____ ions.