Question

which of the following are not correct 1s² , 2p⁶,3d⁵,3¹⁰ ,4f²,3d¹²,3p⁷,3s¹ . why? ​

Answer 1

4f² is wrong from the given statement.

Answer 2

Answer:

1s2 ,2s2 ,2p6 ,3s2, 3p6, 4s2, 3d10, 4p6 ,5s2 ,4d10 5p6 ,6s2 , 4f14 ,5d10 , 6p6 , 7s2 this is sequence of electronic configuration.

Explanation:

according to your question :

3d12 3p7 are not Corret because D shell contain only 10 electrons and P shell contain only 6 electron .