Atomic radius/A: 0.88
Atomic volume/cm3 / mol: 28.5
Covalent radius/A: 0.98
Electronic configuration: 1 2 3 s2p6 s2p6 s2
Ion radius/A:
Oxidation state: 0
1894 by Lord Rayleigh (Britain, London) and William Ramsay (Britain, Bristol) husband found.
In the air to account for 1%, from air to remove nitrogen, oxygen, carbon dioxide and water, can get the argon.
Used for lighting, as inert gas, used to prevent the oxidation of the items.
State: a colourless, odourless and tasteless inert gases. Melting point (℃) : 189.19
Boiling point (℃) : 185.7
Density (g/cc, 300 K) : 1.7824
Than hot/J/gK: 0.52
Evaporation heat/KJ/mol: 6.447
Melting hot/KJ/mol: 1.188
Conductive rate / 106 / cm:
Coefficient of thermal conductivity/W/cmK: 0.0001772
Abundance retention time/year: 28 000
The sun (relative to the H = 1 x 1012) : 1 x 106 sea/P.P.M. : 0.45
The earth's crust/P.P.M. : 1.2
Atmospheric/P.P.M. (volume) : 9300
The human body the content in liver/P.P.M. : zero
Organs: muscle/P.P.M. : zero
Blood/mg dm-3: trace th intake/mg:
Bone/P.P.M. : zero (70 Kg) are total body/mg:
Argon/Ar