GENERAL KNOWLEDGE

Detailed explanation-1: -ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions.

Detailed explanation-2: -An ion is an atom or group of atoms that has an electric charge. Ions with a positive charge are called cations. Ions with a negative charge are called anions. Many normal substances exist in the body as ions. Common examples include sodium, potassium, calcium, chloride, and bicarbonate.

Detailed explanation-3: -Electrons are a type of subatomic particle with a negative charge. Protons are a type of subatomic particle with a positive charge.

Detailed explanation-4: -If the atom has more electrons than protons, it is a negative ion, or ANION. If it has more protons than electrons, it is a positive ion.