Question

sodium is a member of which group in pereodic table

Answer 1

Sodium is a Group 1 element (or IA in older labelling styles). Group 1 elements are often referred to as the "alkali metals". The chemistry of sodium is dominated by the +1 ion Na+.

Answer 2

SODIUM (Na)

atomic number of Na is 11

Electron configuration : K=2, L=8, M=1

∴ Group =1 ; Period=3