Question

Name a divalent monatomic element.

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Answer 1

Answer:

Monovalent

An atom, ion, or chemical group with a valence of one, which thus can form one covalent bond is called monovalent.

Examples

Atoms that are monovalent are

• Hydrogen
• Lithium
• Sodium
• Chlorine

Divalent

An atom, ion, or chemical group with a valence of two, is called divalent.

Examples

Atoms that are divalent are

• Beryllium
• Oxygen
• Magnesium
• Sulphur