Basic Information

Name: OXYGEN

Symbol: O

Classification: Boron is a metalloid

color:black

Atomic weight:10.81

state: solid

Melting Point:2075 oC, 2348 K

Boiling Point:3727 oC , 4000 K

Shells: 2,3

Electron configuration: 1s2 2s2 2p1

Density @ 20oC:2.34 g/cm3

Atomic volume: 4.6 cm3/mol

Structure: hcp: rhombohedral; B12 is icosahedral.

Hardness:9.3 mohs