The set of quantum numbers for the outermost electron for copper in its ground state is
3, 2, 2, + 1/2
4, 1, 1, + 1/2
4, 2, 2, + 1/2
4, 0, 0, + 1/2
Next Question
The maximum number of electrons that can have principal quantum number, n = 3, and spin quantum number, ms = $-\dfrac{1}{2}$, is