Oxygen
Atomic number:
8
Atomic weight:
15.9994
Shells:
2,6
Orbitals:
[He] 2s2 2p4
Melting point:
-218.4°C
Boiling point:
-182.962°C
Covalent radius:
0.73
Å
Atomic volume:
14.0
cm³/mol
Atomic radius:
0.65
Å
Ionic radius:
1.40 (-2)
Å
Electronegativity:
3.44
Oxidation states:
1st ionization pot.:
13.6181
V
2nd ionization pot.:
35.117
V
3rd ionization pot.:
54.934
V
Specific heat:
0.92
J/gK
Heat of fusion:
0.22259
kJ/mol
Heat of vapor.:
3.4099
kJ/mol
Thermal conduct.:
0.0002674
W/cmK
Electrical conduct.:
--
10^6/cm ohm
Density:
0.001429
g/cm³
Valence:
2
