Question

The number of unpaired electrons in the uranium $\left({}_{92}U\right)$ atom is :

• A. 4
• B. 6
• C. 3
• D. 1

Answer 1

Answer: (D)

${}_{92}U:{\left[R_n\right]}^{86}5f^{3}6d^{1}7s^2$