Category

Erbium

Catalogue

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

Atomic structure

Atomic radius/A: 2.45
Atomic volume/cm3 / mol: 18.4
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d10f12 5 s2p6 6 s2
Ion radius/A: 0.88
Covalent radius/A: 1.57 oxidation state: 3

Discovery

1842 by C.G. Mosander (Stockholm, Sweden) found.

Source

And other heavy rare earth elements symbiosis.

Element USES

Oxidation er used in ceramic, can get red glaze.

physical property

Status: rare earth metal silver grey color.

Melting point (℃) : 1522
Boiling point (℃) : 2863
Density (g/cc, 300 K) : 9.07


Than hot/J/gK: 0.17
Evaporation heat/KJ/mol: 261
Melting hot/KJ/mol: 19.9


Conductive rate / 106 / cm: 0.0117
Coefficient of thermal conductivity/W/cmK: 0.143

Geological data

abundance
Retention time/year: 400

The sun (relative to the H = 1 x 1012) : 5.8 sea/P.P.M. :
The earth's crust/P.P.M. : 3.8 the Atlantic ocean surface: 5.9 x 10-seven Pacific surface: unknown
Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: 8.6 x 10-seven deep in the Pacific: unknown

Biology data

Content in the human body
Liver/P.P.M. :
Organs: unknown, but less. Muscle/P.P.M. :
Blood/mg dm-3: th intake/mg: unknown
Bone/P.P.M. : people (70 Kg) are total body/mg: unknown

Detailed information

Erbium/Er