Group 1 Elements

#SymbolNameAtomic MassCategory
1HHydrogen1.008Other Non-Metals
3LiLithium6.94Alkali Metals
11NaSodium22.99Alkali Metals
19KPotassium39.098Alkali Metals
37RbRubidium85.468Alkali Metals
55CsCaesium132.905Alkali Metals
87FrFrancium223Alkali Metals

7 elements