What is an atom that gains or loses an electron and has an electric charge called?

1 Answer
Nov 20, 2016

Ions.

Explanation:

When an atom gains/loses an electron, the atom becomes charged, and is called an ion.

Gaining an electron results in a negative charge, so the atom is an anion.

Losing an electron results in a positive charge, so atom ion is a cation.

Hope this helps :)