Question

 A group of atoms that loses electrons are known as​

Answer 1

During the formation of some compounds, atoms gain or lose electrons, and form electrically charged particles called ions

Answer 2

Answer:

ions

Explanation:

During the formation of some compounds, atoms gain or lose electrons, and form electrically charged particles called ions.

a group of atoms which readily lose electrons to donate other atoms are known as cations. And those readily gain electrons are known as anions.