3.7k views
5 votes
Why does the s orbital fill before the p orbitals?​

2 Answers

4 votes
What do you mean exactly
User EBehbahani
by
4.4k points
5 votes
Answer:

Because s orbital has higher energy value than p orbital. Therefore, s orbital fills up in before filling up in p orbital.
User Lights
by
4.2k points