Rhodium
Rh
Rhodium
Transition Metal
Atomic number:
45
Atomic weight:
102.90550
Shells:
2,8,18,16,1
Orbitals:
[Kr] 4d8 5s1
Melting point:
1966°C ±3°C
Boiling point:
3695°C
Covalent radius:
1.25
Å
Atomic volume:
8.3
cm³/mol
Atomic radius:
1.83
Å
Ionic radius:
.67 (+3)
Å
Electronegativity:
2.28
Oxidation states:
2,(3),4
1st ionization pot.:
7.4589
V
2nd ionization pot.:
18.08
V
3rd ionization pot.:
31.06
V
Specific heat:
0.242
J/gK
Heat of fusion:
21.50
kJ/mol
Heat of vapor.:
493.0
kJ/mol
Thermal conduct.:
1.50
W/cmK
Electrical conduct.:
0.211
10^6/cm ohm
Density:
12.4
g/cm³
Valence:
2,3,4,5,6