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How to find valency no

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How to find valency no

Posted by Hemadharshini P 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Rajnish Mishra 4 years, 1 month ago

You go to Google and search periodic table then you learn it

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Yogita Ingle 4 years, 1 month ago

It is the ability of an atom to gain or lose electron in order to achieve the noble gas configuration. It refers to the ability of an element to combine with other element. It is obtained by determining the number of electrons in the outermost shell (also called valence shell) of each atom of an element. For instance, sodium has 1 electron in its outermost shell and hence valency of sodium is 1.

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