Sodium is an alkali metal in group IA of the periodic table with atomic number 11 ... The electronic configuration of Sodium is (Ne)(3s 1). Its atomic radius is 0.190 nm and the (+1) ionic radius is 0 ...
Potassium is an alkali metal in group IA of the periodic table with atomic number 19 ... The electronic configuration of Potassium is (Ar)(4s 1). Its atomic radius is 0.235 nm and the (+1) ionic ...