Ytterbium

Yb Ytterbium Rare Earth

 

Atomic number:  70 Atomic weight:  173.04
Shells:  2,8,18,32,8,2 Orbitals:  [Xe] 4f14 6s2
Melting point:  819°C Boiling point:  1196°C
Covalent radius:  1.74 Å Atomic volume:  24.79 cm³/mol
Atomic radius:  2.40 Å Ionic radius:  .99 (+3) Å
Electronegativity:  1.1 Oxidation states:  (3),2
1st ionization pot.:  6.2542 V 2nd ionization pot.:  12.188 V
3rd ionization pot.:  25.03 V Specific heat:  0.15 J/gK
Heat of fusion:  7.660 kJ/mol Heat of vapor.:  128.90 kJ/mol
Thermal conduct.:  0.349 W/cmK Electrical conduct.:  0.0351 10^6/cm ohm
Density:  6.98 g/cm³ Valence:  2,3