Atomic radius/: 0.51
Atomic volume/cm3 / mol: 16.7
Covalent radius/: 0.71
Electronic configuration: 1s2 2s2p6
Ion radius/:
Oxidation state: 0
1898 years in London, by William Ramsey and Mr M.W. found.
By air liquide fractionation and.
In the vacuum tube, neon orange light out, based on this principle made NaiDeng, also used in the manufacture of voltage tester and austeniticstainless.
State: a colorless, odorless, non-odorous inert gas melting point (℃) : 248.447
Boiling point (℃) : 245.904
Density (g/L, 273 K, 1 ATM) : 0.9
Than hot/J/gK: 0.904
Evaporation heat/KJ/mol: 1.7326
Melting hot/KJ/mol: 0.3317
Conductive rate / 106 / cm:
Coefficient of thermal conductivity/W/cmK: 0.000493
Abundance retention time/year:
The sun (relative to the H = 1 x 1012) : 3.72 x 107 sea/P.P.M. : 2 x 10-4
The earth's crust/P.P.M. : 7 x 10-5
Atmospheric/P.P.M. (volume) : 18
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:
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