In: Chemistry
Which of these subshell designations are possible and which are impossible?
d subshells start from the third shell
f subshells from the fourth shell.
p subshells from the Second shell
s subshells from the First shell
According to Aufbau principle : these are possible electronic
configuaration
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s,
5f
so, 1d,1f,1p are not possible.