Unit mass density: 7.007 g/cm3
Melting point of single substance: 1024 ℃
Boiling point of single substance: 3074 ℃
Bulk modulus of elasticity: 31.8Gpa
Atomization enthalpy: 322kJ/mol
Heat capacity: 27.45J/(mol · K)
Conductivity: 0.0157 × 106/(cm ·Ω )
Thermal conductivity: 16.5W/(m · K)
Melting heat: 7.140kJ/mol
Vaporization heat: 273.0kJ/mol
Atomic volume: 20.6cm3/mol
Content of elements in the universe: 0.01ppm
Element content in the sun: 0.003ppm
Content in the crust: 38ppm
Atomic weight: 144.242
Crystal structure: the unit cell is hexagonal unit cell.
Electronegativity: 1.14 (Pauling scale)
Peripheral electronic layout: 4f46s2
Extranuclear electron arrangement: 2, 8, 18, 22, 8, 2
Electronic layer: K-L-M-N-O-P
Proton number: 60
Number of electrons: 60
Nuclear defect mass: 0.95808u
Cell parameter: a=365.8 pm; b=365.8 pm； c=1179.9 pm； α= 90°； β= 90°； γ= 120°
Sound propagation rate: 2330m/s
Ionization energy (kJ/mol)
M - M+ 529.6
M+ - M2+ 1035
M2+ - M3+ 2130
M3+ - M4+ 3899
Because the absorption spectrum line of neodymium ion is special, it has different colors under different light sources, and it goes from (left to right are neodymium sulfate, neodymium nitrate and neodymium chloride)
