Element: rubidium |
Name : rubidium |
Symbol : Rb |
Atomicnumber : 37 |
Relativeatomicmass : 85.4678 (3) g [see note g] |
Standardstate : solid at 298 K |
Appearance : silvery white |
Classification : Metallic |
Groupinperiodictable : 1 |
Groupname : Alkali metal |
Periodinperiodictable : 5 |
Blockinperiodictable : s |
Shellstructure : 2.8.18.8.1 |
CASRegistry : 7440-17-7 |
Description : Rubidium can be liquid at ambient temperature, but only on a hot day given that its melting point is about 40°C. |