Question

what is valency? give the valency of the following elements - hydrogen, oxygen, sodium, chlorine, and magnesium ​

Answer 1

Explanation:

=> The valency is the power of atom to combine with the any other atom...

Hydrogen - 1

oxygen - (-2)

sodium - 1

chloride - (-1)

magnesium - 2

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Answer 2

Answer:

• Valency is the power of atom to combinw with the other atom.

• Hydrogen: 1.

• Oxygen: -2.

• Sodium: 1

• Chlorine: -1

• Magnesium: 2.

Explanation:

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