- 1s22s22p1{1}{s}^2{2}{s}^2{2}{p}^1
- 1s22s22p5{1}{s}^2{2}{s}^2{2}{p}^5
- 1s22s22p63s23p2{1}{s}^2{2}{s}^2{2}{p}^6{3}{s}^2{3}{p}^2
- 1s22s22p3{1}{s}^2{2}{s}^2{2}{p}^3