Which one of the following is more energetic?

مندرجہ ذیل میں سے کون سا زیادہ توانائی بخش ہے؟

None of these

In the same principal energy level (n = 4), 4f has the highest energy due to its complex shape and shielding effects.

The energy order follows: 4s < 4p < 4d < 4f.