Category

Neodymium

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

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

Discovery

1885 by Baron Auer von Welsbach (Austria, Vienna) separating out.

Source

The chloride by electrolysis neodymium and salt.

Element USES

Used in ceramic colored glaze on, and producing special lens together.

physical property

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

Geological data

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

Biology data

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.

Detailed information

Neodymium/Nd