Question

Электронная формула урана

Answer 1

$1s^2\2s^2 2p^6\3s^2 3p^6 3d^{10}\4s^2 4p^6 4d^{10}\5s^2 5p^6 4f^{14} 5d^{10}\6s^2 6p^6 5f^3 6d^1 \7s^2$