Question

Use the periodic table to write the electron configuration of selenium (Se). s s p d 1 2 3 4 6 10

Answer 1

[Ar] 3d10 4s2 4p4

Explanation:

Answer 2

Answer: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4

Step-by-step explanation:

I suggest looking at the electron configuration chart, it has really helped me a lot :)