Rb
Rubidium
Reaction with Air
Rxn with Air
Rxn with Water
Rxn with Acid
Rxn with Base
4 Rb + O
2
2 Rb
2
O yellow
2 Rb + O
2
Rb
2
O
2
dark brown
4 Rb + 3 O
2
2 Rb
2
O
3
black
Rb + O
2
RbO
2
dark orange
RubidiumRubidium
2 Rb2O yellow