How to pronounce“4s2”in English

is the previous group 8 followed by 3d10 4s2 and 4 P1 of course we can figure out

Simplicity and so if we check this argon 3d10 4s2 and 4 P1 that is correct

be 1 S2 2 S2 2p6 3 S2 3p6 3d10 then 4s2 or we can

Iron, number twenty-six, would be 1s2 2s2 2p6 3s2 3p6 4s2 3d6.

because that's where Gallum is in the p orbital 4 P1 and then we have the 3D which occupies all 10 and then we have the 4s2 the 4S has to come after the