Valency of scandium is 3 but when it looses its 3 electrons it has 9 electrons in its outermost shell but outermost shell must have 8 electrons so why valency is not 4?
sunayana4:
can u tell me its electronic configuration
2,8,9,3
r u sureM
??
yes
101% sure
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Scandium can have a maximum valency of 3
As its EC is [Ar] 4S2,3D1
As its EC is [Ar] 4S2,3D1
yes i had written wrong the outermost shell has 2 electrons i.e. EC is 2,8,9,2
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