how to determine valency of an element in context of its electronic configuration (S, p, d, f) ? explain with example!
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Do the configuration and the see the no. Of electrons in the last shell. Now if there are 1,2,3,4 molecules then they will have a valency of +1+2+3and 4
If they have a valency of 5,6,7,8 it will have a valency of -3-2-1 and0
If they have a valency of 5,6,7,8 it will have a valency of -3-2-1 and0
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