Holmium

Ho Holmium Rare Earth

 

Atomic number:  67 Atomic weight:  164.93032
Shells:  2,8,18,29,8,2 Orbitals:  [Xe] 4f11 6s2
Melting point:  1474°C Boiling point:  2700°C
Covalent radius:  1.58 Å Atomic volume:  18.7 cm³/mol
Atomic radius:  2.47 Å Ionic radius:  -- Å
Electronegativity:  1.23 Oxidation states:  
1st ionization pot.:  6.0216 V 2nd ionization pot.:  11.805 V
3rd ionization pot.:  22.843 V Specific heat:  0.16 J/gK
Heat of fusion:  12.20 kJ/mol Heat of vapor.:  241.0 kJ/mol
Thermal conduct.:  0.162 W/cmK Electrical conduct.:  0.0124 10^6/cm ohm
Density:  8.80 g/cm³ Valence:  3