When 4f level is completely filled with electrons, the next electron will enter into a subshell whose (n+1) is equal to -

When 4f level is completely filled with electrons, the next electron w

1.	When 4f level is completely filled with electrons, the next electron will enter into a subshell whose (n+1) is equal to -
Answer» Solution :The next electron will ENTER into 5d SUBSHELL WHOSE (n+l) will be equal to 7 (seven) .