Question
Tue January 22, 2013 By:
 

Is there any formula for finding the valency of an atom?

Expert Reply
Tue January 22, 2013

Valency can be calculated by considering outermost electrons.

if the outer most electrons are less than 4 or 4 than the valency equal to number of outer most electrons but if outermost electrons are more than 4 the valency = 8- number of valence elctrons.
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