Basic Information

Name: Beryllium

Symbol: BE

Classification: Beryllium is an alkali earth metal

color:steel gray

Atomic weight:9.01218

state: solid

Melting Point:1278 oC, 1551.2 K

Boiling Point:2469 oC, 2742 K

Shells: 2,2

Electron configuration: 1s2 2s2

Density @ 20oC:1.848 g/cm3

Atomic volume: 4.9 cm3/mol

Structure: hcp: hexagonal close packed

Hardness:5.5 mohs