English, asked by karijitbhattacharjee, 4 months ago

ex of divalent monatomic element

Answers

Answered by crltumbaga

0

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

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