- 1s2,2s2,2p6,3s2,3p6,4s1
- 1s2,2s2,2p6,3s1
- 1s2,2s2,2p6,3s2
- 1s2,2s2,2p6,3s2,3p6,4s2
- b
-
Na is chemical formula of Sodium.
Its atomic number is 11.
It falls in Group-1 of periodic table.
Its only soluble isotope.
