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CBSE Class 10 Answered

difference btw. valency and valence electron???
Asked by | 20 Mar, 2008, 09:42: AM
answered-by-expert Expert Answer

valence electrons r no. of electrons present in the outermost energy level

valence electrons r no. of electrons gained or lost or shared to acquire octet or doublet ie stable nearest noble gas configuration is known as valency. 

N7  2,5        HAS 5 VALENCE ELECTRONS N VALENCY 3   

Answered by | 21 Dec, 2017, 12:50: PM

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