Question

Total number of possible shells in uranium atom is:

(atomic no. $z=92$)

• A. 7
• B. 1
• C. 6
• D. none of these

Answer 1

The correct option is A 7

configuration of Uranium.

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

$\therefore$ Max shell $=7$