Why Valence Is Always A whole Number
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Valency is always a whole number because number of electrons donated or shared cannot be fractional. For example Cl atom , its valence electronic configuration is 3s23p5 , it requires one electron to complete its octet.
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Valency of an atom is the number of electrons donated or taken up in the formation of bond. Valency is always a whole number because number of electrons donated or shared cannot be fractional. For example Cl atom , its valence electronic configuration is 3s23p5 , it requires one electron to complete its octet.
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