Science, asked by sahil6553, 11 months ago

what is valency?Give the Valencia of the following oxygen ,hydrogen,sodium,magnesium,chlorine​

Answers

Answered by parvesh4663
1

Answer:

oxygen have 2 valency

Explanation:

if we distribute the electron 2 8 2 in his last cell it has two electron that's why it has valency two

Answered by amanshukla43
4

Answer:

oxygen=-2

hydrogen =+1

sodium =+1

magnesium =+2

chlorine =-2

Explanation:

Valency is the combining capacity of the atoms to form a molecule either with same or different elements is defined as valency.

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