Neodymium (Nd)

Neodymium (Nd) is element 60 of the periodic table, a lanthanide in period 6, in the f-block. Its standard atomic weight is 144.242, so one mole of neodymium atoms has a mass of 144.242 g. At room temperature it is a solid; it melts at 1020.85 °C and boils at 3073.85 °C.

60 Nd Neodymium 144.242

Period 6, f-block · Lanthanide

Atomic number60
SymbolNd
Standard atomic weight144.242
Molar mass144.242 g/mol
CategoryLanthanide
Groupf-block (lanthanide series)
Period6
Blockf-block
Electron configuration[Xe] 6s2 4f4
Oxidation states+3
Electronegativity (Pauling)1.14
Atomic radius (van der Waals)229 pm
First ionisation energy5.525 eV (533.1 kJ/mol)
Electron affinity—
State at room temperatureSolid
Melting point1294 K (1020.85 °C)
Boiling point3347 K (3073.85 °C)
Density7.01 g/cm³
Discovered1885

Lanthanides

Calculate with Neodymium

Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.