The sodium D-line arises from the electronic trasnition _____ in Na atoms formed momentarily in the flame.

Write the electronic configuration of sodium atom.

Electronic configuration of Sodium atom is

Write the electronic configuration of sodium atom (Atomic number of sodium = 11)

The gyromagnetic ratio of an electron in sodium atom is

The gyromagnetic ratio of an electron in sodium atom is

Explain the formation of sodium chloride and calcium oxide on the basis of the concept of electron transfer from one atom to another atom.

In sodium atom on 3s electron the screening is due to: