Question

Электронная формула урана

Answer 1

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