Question

Define monovalent, divalent,trivalent and tetravalent elements with 2 examples for each ?


please anyone tell me fast ​

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

Divalent:

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

Examples:

Atoms that are divalent are

• Beryllium

• Oxygen

• Magnesium

Trivalent:

An atom, ion, or chemical group with a valence of three, is called trivalent.

Examples:

Atoms that are trivalent are

• Boron

• Nitrogen

• Aluminium