Category

Yttrium

Catalogue

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

Atomic structure

Atomic radius/A: 2.27 atomic volume/cm3 / mol: 19.8 covalent radius/A: 1.62

Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d1 5 s2 ion radius/A: 0.9 oxidation state: 3

Discovery

In 1794, by J. Gadolin (Finland, Abo) found.

Source

Exist in mineral monazite (monazite), phosphorus y mine (xenotime), and yttrium oxide (yttria).

Element USES

And eu combining with the color television red phosphors, yttrium oxide and iron oxide formed by the combination of crystals used in radar, also used as a laser device, and the camera lens and fire materials.

physical property

State: silver metal. Melting point (℃) : 1526 boiling point (℃) : 3338 density (g/cc, 300 K) : 4.47

Than hot/J/gK: 0.3 evaporation heat/KJ/mol: 363 melting hot/KJ/mol: 11.4

Conductive rate / 106 / cm: 0.0166 coefficient of thermal conductivity/W/cmK: 0.172

Geological data

Abundance retention time/year:

The sun (relative to the H = 1 x 1012) : 125 sea/P.P.M. : 9 x 10-6

The earth's crust/P.P.M. : 30 the Atlantic ocean surface: Pacific surface:

Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: deep in the Pacific:

Biology data

The human body the content in liver/P.P.M. : < 0.01

Organs: muscle/P.P.M. : 0.02

Blood/mg dm-3:0.0047 days intake/mg: 0.016

Bone/P.P.M. : 0.07 (70 Kg) are total body/mg: 0.6

Detailed information

Yttrium/Y