Lutetium

Lu Lutetium Rare Earth

 

Atomic number:  71 Atomic weight:  174.967
Shells:  2,8,18,32,9,2 Orbitals:  [Xe] 4f14 5d1 6s2
Melting point:  1663°C Boiling point:  3402°C
Covalent radius:  1.56 Å Atomic volume:  17.78 cm³/mol
Atomic radius:  2.25 Å Ionic radius:  .98 (+3) Å
Electronegativity:  1.27 Oxidation states:  
1st ionization pot.:  5.4259 V 2nd ionization pot.:  13.888 V
3rd ionization pot.:  20.957 V Specific heat:  0.15 J/gK
Heat of fusion:  18.60 kJ/mol Heat of vapor.:  355.90 kJ/mol
Thermal conduct.:  0.164 W/cmK Electrical conduct.:  0.0185 10^6/cm ohm
Density:  9.85 g/cm³ Valence:  3