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Write elements name from 21 to …

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Write elements name from 21 to 40 also write electronic configuration , valence electrons,valency of each elements

Posted by Pankaj Malik 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 5 years, 5 months ago

	Atomic No.	Valency
Valency of Calcium	20	2
Valency of Scandium	21	3
Valency of Titanium	22	4
Valency of Vanadium	23	5,4
Valency of Chromium	24	2
Valency of Manganese	25	7, 4, 2
Valency of Iron (Fe)	26	2, 3
Valency of Nickel	27	3, 2
Valency of Cobalt	28	2
Valency of Copper (Cu)	29	2, 1
Valency of Zinc	30	2

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