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NEET2011Chemistryd and f Block ElementsActual

If n=6 , the correct sequence for filling of electrons will be

Options

  1. An s (n-1) d (n-2) f n p
  2. Bn s (n-2) f n p (n-1) d
  3. Cn s n p (n-1) d (n-2) f
  4. Dn s (n-2) f (n-1) d n p

Correct answer

D. n s (n-2) f (n-1) d n p

Step-by-step solution

6 s 4 f 5 d 6 p for n=6

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