Question

give the electron configuration for uranium (u). you must use the noble gas configuration (the shortcut)

Explanation:

Step1: Identify preceding noble gas

Uranium (U) has atomic number 92. The preceding noble - gas is Radon (Rn) with atomic number 86.

Step2: Determine remaining electrons

92 - 86=6 remaining electrons.

Step3: Fill orbitals for remaining electrons

The electron - configuration after [Rn] is \(7s^{2}5f^{3}6d^{1}\).

Answer:

\([Rn]7s^{2}5f^{3}6d^{1}\)