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How will find the valency

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How will find the valency

Posted by Sana Aadia 6 years ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 6 years ago

The atomic number of sodium is 11 (Z=11). The electronic configuration of sodium can be written as 2, 8, 1. 2, 8, 1 electrons are distributed in the shells K, L, M respectively. Therefore, valence electron in sodium is 1 and it needs to lose 1 electron from the outermost orbit to attain octet. Hence, the valency of sodium is 1.

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Posted by Lavanya Ayyagari 2 months, 1 week ago

CBSE > Class 08 > Science