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The Element Yttrium


"The Atom"

Definition of the Yttrium Element
A silvery metallic element, not a rare earth but occurring in nearly all rare-earth minerals. Yttrium is fairly stable in air, because it is protected by the formation of a stable oxide film on its surface. It oxidizes readily when heated. It reacts with water decomposing it to release Hydrogen gas, and it reacts with mineral acids. It is used in various metallurgical applications, notably to increase the strength of Magnesium and Aluminium alloys. The Atomic Number of this element is 39 and the Element Symbol is Y.

Properties of the Yttrium Element
Symbol of Element : Y
Atomic Number: 39
Atomic Mass: 88.90585 amu
Melting Point: 1523.0 C - 1796.15 K
Boiling Point: 3337.0 C - 3610.15 K
Number of Protons/Electrons: 39
Number of Neutrons: 50
Crystal Structure: Hexagonal
Density @ 293 K: 0.53 g/cm3
Color of Yttrium : silvery

Origin / Meaning of the name Yttrium
The name originated from Ytterby, a Swedish village near Vaxholm where the mineral gadolinite was found.

Periodic Table Group and Classification of the of the Yttrium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Yttrium is classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table. Elements classified as Transition Metals are generally described as ductile, malleable, and able to conduct electricity and heat. 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 History of the Discovery of Yttrium Element
Yttrium was discovered by Johan Gadolin in 1794 and isolated by Friedrich Wohler in 1828. Yttria is the oxide of yttrium and was discovered by Johan Gadolin in 1794.

Occurrence of the Yttrium Element
Found in almost all rare earth minerals
Obtained from monazite, xenotime and yettriac
Found in uranium ores

Abundances of the element in different environments
% in Universe 710-7%
% in Sun 110-6%
% in Meteorites 0.00019%
% in Earth's Crust 0.0029%
% in Oceans 1.310-9%
% in Humans N/A

Associated Uses of Yttrium
Used to make europium and europium phosphors that give the red color in color television picture tubes
Color TV's
Microwave filters.

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Atomic Number
Transition Metals
List of Metals
Periodic Table

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