how do you calculate the valency of an element from its electronic configuration
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1) If number of valance electrons are less than 4,
Valency= Number of valance electrons
2) If number of valance electrons are more than 4,
Valency= 8 - number of valance electrons
Valency= Number of valance electrons
2) If number of valance electrons are more than 4,
Valency= 8 - number of valance electrons
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