Which of the following subshells cannot exist in on atom If

Which of the following subshells cannot exist in on atom? If the subshell cannot exist what is wrong. 2d 4d 4g 6f

Solution

Answer: a) 2d & c) 4g can not exist in atom.

In 2^nd energy level there is only two subshells are there, they are 2S and 2P. In 2^nd energy level 2d is not possible.

The reason there are no 2d orbitals, is that the 2nd energy level, n=2, can only hold two sublevels, s and p.

In 4^th energy level there is only four subshells are there, they are 4s, 4p, 4d, 4f. In 4^th energy level 4g is not possible

The reason there are no 4g orbitals, is that the 4th energy level, n=4 can hold four sublevels, s,p,d,f .