Question

what is valency? give the valency of the following elements hydrogen, oxygen sodium ,chloride,magnesium​

Answer 1

Answer:

combining capacity of an element

hydrogen=1

oxygen=2

sodium=1

chlorine=1

magnesium=2

Answer 2

Answer:

Hye♥♥

Here is the answer -

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

Hydrogen - 1

Oxygen - (-2)

Sodium - 1

Chloride - (-1)

Magnesium - 2

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