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This question again , can anyone …

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This question again , can anyone tell me that why element X(E.C.-2,8,8,3) lies in group 3 and element Y(E.C.-2,8,18,2) lies in group 12 ¿¿¿¿

Posted by Mayank Bhunia 6 years, 9 months ago

CBSE > Class 10 > Science

7 answers

Ultra Instinct Goku 6 years, 9 months ago

18 is all correct

Janvi Dubey 6 years, 9 months ago

No kittu it is correct

Mayank Bhunia 6 years, 9 months ago

Kitti, add ec of Y and tell if it lies in period 4 and group 12

Kittu Yadav 6 years, 9 months ago

E.c of y is wrong its 8 not 18

Mayank Bhunia 6 years, 9 months ago

Element X ka at.no. -21. And element Y at.no. 30. .now check in perodic table

Janvi Dubey 6 years, 9 months ago

Have u studied1s 2s 2p 3s if u have studied than i can explain but if u don't then srry

Ultra Instinct Goku 6 years, 9 months ago

Hey its Group13 and Group2

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