Category

Oxygen

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

Atomic radius/A: 0.65
Atomic volume/cm3 / mol: 14
Covalent radius/A: 0.73

Electronic configuration: 1 2 s2p4 s2
Ion radius/A: 1.4
Oxidation state:-2, 1

Discovery

1774 respectively by the British Leeds j. Priestley and uppsala Swedish the C.W. Scheele found.

Source

Mainly by air liquide, fractionation.

Element USES

Accounts for about 21% of the atmosphere, for steel processing, welding, water purification, maintain life and the burning of the basic elements.

physical property

State: a colourless, odourless and tasteless gas. Melting point (℃) : 222.65
Boiling point (℃) : 182.82
Density (g/L, 273 K, 1 ATM) : 1.429

Than hot/J/gK: 0.92
Evaporation heat/KJ/mol: 3.4099
Melting hot/KJ/mol: 0.22259

Conductive rate / 106 / cm:
Coefficient of thermal conductivity/W/cmK: 0.0002674

Geological data

abundance

The sun (relative to the H = 1 x 1012) : 6.92 by 108
Sea/P.P.M. : water element

The earth's crust/P.P.M. : 474 000

Atmospheric/P.P.M. (volume) : 209 500

Biology data

Content in the human body
Liver/P.P.M. : 160 000
Organs:
Muscle/P.P.M. : 160 000
Blood/mg dm-3: as the composition of water existing in the blood.
Th intake/mg: mainly in the form of water intake of human body.
Bone/P.P.M. : 285 000
People (70 Kg) are total body/Kg: 43

Detailed information

Oxygen