Neodymium Facts - Nd or Element 60

Neodymium Facts - Nd or Element 60 NeodymiumBasic Facts Atomic Number: 60 Symbol: Nd Atomic Weight: 144.24 Element Classification: Rare Earth Element (Lanthanide Series) Discoverer: C.F. Ayer von Weisbach Discovery Date: 1925 (Austria) Name Origin: Greek: neos and didymos (new twin) Neodymium Physical Data Density (g/cc): 7.007 Melting Point (K): 1294 Boiling Point (K): 3341 Appearance: silvery-white, rare earth metal that oxidizes readily in air Atomic Radius (pm): 182 Atomic Volume (cc/mol): 20.6 Covalent Radius (pm): 184 Ionic Radius: 99.5 (3e) Specific Heat (20Â °C J/g mol): 0.205 Fusion Heat (kJ/mol): 7.1 Evaporation Heat (kJ/mol): 289 Pauling Negativity Number: 1.14 First Ionizing Energy (kJ/mol): 531.5 Oxidation States: 3 Electronic Configuration: [Xe] 4f4 6s2 Lattice Structure: hexagonal Lattice Constant (Ã…): 3.660 Lattice C/A Ratio: 1.614 References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001) Return to the Periodic Table