Question

answer me seventh question fast ​

Answer 1

Answer:

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Explanation:

example=When a stable atom gains or loses an electron, it becomes an ion. For example, when chlorine takes an electron from sodium, and sodium gives that electron to chlorine, they become ions and form NaCl.

Answer 2

Charged units are called ions. They are of two types - carion(+ve) and anion (-ve). Cation- H+,K+;Anion-O2-