The Latin name of Sodium is Natrium and thus the Symbol of Sodium is in the periodic table.
Sodium has an atomic number of 11 and Electronic configuration 2,8,1. It is present in Group 1.
As we can see Sodium can easily remove one electron from its outermost shell to complete its octet.
It is an electropositive alkali metal having valency 1.
Sodium is required by the human body for normal body functioning. It conducts nerve impulses, contraction and relaxation of muscles, and maintains the normal body metabolism.