Question

When 4p orbital is completely filled then the next electron goes to______________.

Answer 1

When the 4p orbital is completely filled then the next electron goes to the 5s orbital.

The order of energy of different subshells of an atom is -
1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s < 5f < 6d < 7p.