Question

When atoms gain or lose electrons they become negatively or positively charged They are known as?

Answer 1

When atoms gain or lose electrons they are positively or negatively charged and are called ions the positively charged ions are called cations and the negatively charged ions are called and anions.

Answer 2

When atoms gain electrons they become negatively charged.

When atoms lose electrons they become positively charged.

• An atom on gaining an electron becomes a negatively charged ion that is known as an anion.

• An atom on losing an electron becomes a positively charged ion that is known as a cation.
• An anion is always larger in size than the parent atom.
• A cation is always smaller in size than the parent atom.

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