Question

Choose the electron configuration for sodium (Na) in both longhand notation and noble-gas notation. A link to the periodic table is provided for you. Longhand notation: 1s22s22p63s23p4 1s22s22p63s1 1s22s22p63s23p64s23d3 1s22s22p3 Noble-gas notation: [Ar]3s1 [He]2s22p63s1 [Ne]3s23p4 [Ne]3s1

Answer 1

2. 1s22s22p63s1

Step-by-step explanation:

Answer 2

In longhand notation the electron configuration is

1s² 2s² 2p6 3s¹

In Noble gas configuration

[ Ne ] 3s¹

Hope this helps you.