Atomic radius/A: 2.64
Atomic volume/cm3 / mol: 20.6
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d10f4 5 s2p6 6 s2
Ion radius/A: 0.995
Covalent radius/A: 1.64 oxidation state: 3
1885 by Baron Auer von Welsbach (Austria, Vienna) separating out.
The chloride by electrolysis neodymium and salt.
Used in ceramic colored glaze on, and producing special lens together.
State: silver rare earth metal.
Melting point (℃) : 1016
Boiling point (℃) : 3068
Density (g/cc, 300 K) : 7.01
Than hot/J/gK: 0.19
Evaporation heat/KJ/mol: 273
Melting hot/KJ/mol: 7.14
Conductive rate / 106 / cm: 0.0157
Coefficient of thermal conductivity/W/cmK: 0.165
abundance
Retention time/year: 500
The sun (relative to the H = 1 x 1012) : 17.0 sea/P.P.M. :
The earth's crust/P.P.M. : and the Atlantic ocean surface: 1.8 x 10-6 Pacific surface: 1.8 x 10-6
Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: 3.2 x 10-6 deep in the Pacific: 4.8 x 10-6
Content in the human body
Liver/P.P.M. :
Organs: unknown, but very low. Muscle/P.P.M. :
Blood/mg dm-3: th intake/mg: unknown
Bone/P.P.M. : people (70 Kg) are total body/mg: unknown, but very low.
Neodymium/Nd