What is the relation between valency of an element and number of valence electron
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valency of an element is the number of electrons present in the outer shell of an atom....
and valence electrons are the electrons that are present in the outer shell ...
and valence electrons are the electrons that are present in the outer shell ...
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for metals that is elements having 1,2or3 electrons in the outermost shall(Valence shell), valency= no of valence electrons
for non-metals that is elements having 4 ,5,6,7or8 valence electrons their valency= 8-no of valence electrons
for non-metals that is elements having 4 ,5,6,7or8 valence electrons their valency= 8-no of valence electrons
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