Which of the following shows the correct quantum numbers (n; l; ml) and electron con- figuration for the highest energy electron(s) in the given atoms? Select all that apply

1. Co: [Ar]4s23d7; n = 3; l = 2; ml = 2,1,0,1,2

2.Rb: [Kr]5s1;n=5;l=0;ml =0,1

3.Fe: [Ar]4s23d6;n=4;l=0;ml =0

4. N: [He]2s22p3; n = 2; l = 2; ml = 2,1,0,1,2

5.Ca: [Ar]4s2;n=4;l=1;ml =1,0+1