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