The ground state electron configuration for sodium is
A. 1s22s22p6 3s2 3p4.
B. 1s22s22p6 3s1.
C. 1s22s22p6.
D. 1s22s22p6 3s2 3p6 4s1.
Answer:B
The ground state electron configuration for sodium is
A. 1s22s22p6 3s2 3p4. B. 1s22s22p6 3s1. C. 1s22s22p6. D. 1s22s22p6 3s2 3p6 4s1.