Question

what is the valency of scandium​

Answer 1

its atomic number is 21.

so its elecronic configuration will be:- 2,8,9,2 or 2,8,8,3

hence a valency of 2+ or 3+.

Answer 2

its atomic number is 21.

so its elecronic configuration will be:- 2,8,9,2

hence a valency of 2+ or 3+.

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