#1
In the Sr2 + cation, in its ground state, how many electrons have
ml = 0 and s = -1/2?
In the anion As3-, in its ground state, how many electrons have l =
1 and ml = 0?
In the Co4 + cation, in its ground state, how many electrons have
ml = 0?
In the Zn2 + cation, in its ground state, how many electrons have
ml = 0 and s = +1/2?