Phosphorus
Atomic number:
15
Atomic weight:
30.973762
Shells:
2,8,5
Orbitals:
[Ne] 3s2 3p3
Melting point:
44.1°C
Boiling point:
277°C
Covalent radius:
1.06
Å
Atomic volume:
17.0
cm³/mol
Atomic radius:
1.23
Å
Ionic radius:
.17 (+5)
Å
Electronegativity:
2.19
Oxidation states:
±3,(5),7
1st ionization pot.:
10.4867
V
2nd ionization pot.:
19.725
V
3rd ionization pot.:
30.18
V
Specific heat:
0.77
J/gK
Heat of fusion:
0.657
kJ/mol
Heat of vapor.:
12.129
kJ/mol
Thermal conduct.:
0.00235
W/cmK
Electrical conduct.:
1.0e-17
10^6/cm ohm
Density:
1.82
g/cm³
Valence:
3,5
