Basic Information

Name:rubidium

Symbol:RB

Classification: Rubidium is an alkali metal

color: silvery-white

Atomic weight :85.468

state: solid

Melting Point:39.3 oC, 312.45 K

Boiling Point:690 oC, 963 K

Shells:2,8,18,8,1

Electron configuration: [Kr] 5s1

Density @ 20oC:1.53 g/cm3

Atomic volume:55.9 cm3/mol

Structure: bcc: body-centered cubic

hardness: 0.3 mohs