Ytterbium Properties, Molecular Formula, Applications - WorldOfChemicals

Ytterbium Properties

Ytterbium

Description

 

Ytterbium is a rare earth element of the lanthanide series and is found in the minerals gadolinite, monazite, and xenotime. The element is sometimes associated with yttrium or other related elements and is used in certain steels. The 169Yb isotope has been used as a radiation source substitute for a portable X-ray machine when electricity was not available. It can also be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some ytterbium alloys have rarely been used in dentistry. It is used as dopant in optical materials, usually in the form of ions in active laser media. Ytterbium metal increases its electrical resistivity when subjected to high stresses. This property is used in stress gauges to monitor ground deformations from earthquakes and explosions.

Chemical Properties

Appearance Silvery White Solid
Atomic Number 70
Atomic Weight 173.054 g/mol
Block f
Boiling Point 1196 °C
CAS Number 7440-64-4
Crystal Structure Face-Centered Cubic
Density 6.9 g/cm3
EINECS Number 231-173-2
Electron Configuration 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d10 5p6 4f14 6s2
Ionization Energy 603.4 KJ/mol
Melting Point 824 °C
Oxidation State 3,2
Period 6
RTECS Number ZG1925000
Symbol Yb
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