Uranium

U Uranium Rare Earth

 

Atomic number:  92 Atomic weight:  238.0289
Shells:  2,8,18,32,21,9,2 Orbitals:  [Rn] 5f3 6d1 7s2
Melting point:  1132°C Boiling point:  3818°C
Covalent radius:  1.42 Å Atomic volume:  12.59 cm³/mol
Atomic radius:  -- Å Ionic radius:  .81 (+6) Å
Electronegativity:  1.38 Oxidation states:  (6),5,4,3
1st ionization pot.:  6.1941 V 2nd ionization pot.:  -- V
3rd ionization pot.:  -- V Specific heat:  0.12 J/gK
Heat of fusion:  8.520 kJ/mol Heat of vapor.:  477.0 kJ/mol
Thermal conduct.:  0.276 W/cmK Electrical conduct.:  0.0380 10^6/cm ohm
Density:  18.9 g/cm³ Valence:  2,3,4,5,6