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If 1^(2)+2^(2)+3^(2)+…+p^(2)=(p(p+1)(2p+...

If `1^(2)+2^(2)+3^(2)+…+p^(2)=(p(p+1)(2p+1))/6`
then `1^(2)+3^(2)+5^(2)+..+17^(2)` is

A

1700

B

1785

C

969

D

980

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Elements A, B, C, D and E have the following electronic configurations: A: 1s^(2) 2s^(2) 2p^(1) B: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(1) C: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(2) D: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(5) E: 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) Which among these will belong to the same group in the periodic table?

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