Symbol Nd Atomic radius: pm 181 Fusion: kJ/Mole 7.14
Name Neodymium Ionic radius: pm (+3)114 Boiling point: C 3074
Atomic number 60 Electron affinity - Melting point: C 1021
Atomic weight 144.2 1st  ion potential 5.53 Specific Heat Cap: J/(g K) 0.19
Classification Trans metal Natural form Solid Thermal Cond: W/(cm K) 0.17
Configuration [Xe]4f46s2 Crystal structure Hex Electrical Cond 0.0157
Oxidation states 3 Density 7.01 Abundance: mg/kg-crust 41.5
Electronegativity 1.14 Vaporization: kJ/Mole 284.0    
Neodymium was discovered in didymia, a mixture of several rare-earth oxides.  From it, Carl Auer von Welsbach separated salts of the elements praseodymium and neodymium in 1885. Uses - alloys, welder's masks, coloring glass and ceramics, infrared radiation filtering, lasers, magnets