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The Element Ytterbium

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Definition of the Ytterbium Element
A soft, bright, silvery rare-earth element occurring in two allotropic forms. This element is easily attacked and dissolved by mineral acids, slowly reacts with water, and oxidizes in air. It is used as an x-ray source for portable irradiation devices, in some laser materials, and in some special alloys. The Atomic Number of this element is 70 and the Element Symbol is Yb.

Properties of the Ytterbium Element
Symbol of Element : Yb
Atomic Number: 70
Atomic Mass: 173.04 amu
Melting Point: 824.0 C - 1097.15 K
Boiling Point: 1466.0 C - 1739.15 K
Number of Protons/Electrons: 70
Number of Neutrons: 103
Crystal Structure: Cubic
Density @ 293 K: 6.98 g/cm3
Color: Silvery  

Origin / Meaning of the name Ytterbium
The name originates from Ytterby, a town in Sweden where the mineral ytterbite (the source of ytterbium) was originally found.

Periodic Table Group and Classification of the of the Ytterbium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Ytterbium is classified as an element in the Lanthanide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are divided into the Lanthanide and Actinide series. The elements in the Lanthanide series closely resemble lanthanum, and one another, in their chemical and physical properties. Their compounds are used as catalysts in the production of petroleum and synthetic products. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.

Facts about the Discovery and History of the Ytterbium Element
Ytterbium was discovered by Jena de Marignac  in 1878

Occurrence of the Ytterbium Element
Obtained from yttria, monazite, gadolinite & xenotime

Abundances of the element in different environments
% in Universe 210-7%
% in Sun 110-7%
% in Meteorites 0.000018%
% in Earth's Crust 0.00028%
% in Oceans 810-11%
% in Humans N/A

Associated Uses of Ytterbium
Radiation source - portable X-ray machine
Chemical experiments
Metallurgical experiments

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