A, B, C, D are four elements. The electronic configuration is given be

1.	A, B, C, D are four elements. The electronic configuration is given below and find the answers in the following (Hint. The symbols are not real) A – 2, 2 B – 2, 8, 5 C – 2, 7 D – 2, 8, 2 a) Find the elements belongs to same period?b) Find the elements belongs to same group. c) ‘C’ belongs to which period and group?
Answer» a) B, D, and A, C because the number of shells are same. b) A, D because the number of electrons in the outermost shell is same. c) ‘C’ belongs to second period and 17^th group

A, B, C, D are four elements. The electronic configuration is given below and find the answers in the following (Hint. The symbols are not real) A – 2, 2 B – 2, 8, 5 C – 2, 7 D – 2, 8, 2 a) Find the elements belongs to same period?b) Find the elements belongs to same group. c) ‘C’ belongs to which period and group?

Answer»

a) B, D, and A, C because the number of shells are same.

b) A, D because the number of electrons in the outermost shell is same.

c) ‘C’ belongs to second period and 17^th group

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