Facts about Indium

Facts About

The Element Indium is defined as...
A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors.

What are the origins of the word Indium ?
The name originates from the color Indigo in its atomic spectrum.

Facts about the Classification of the Element Indium
Indium is classified in the 'Other Metals' section which can be located in groups 13, 14, and 15 of the Periodic Table. All of these elements are solid, have a relatively high density and are opaque.

Brief Facts about the Discovery and History of the Element Indium
Indium was discovered by Ferdinand Reich and Theodor Richter in Germany in 1863. Richter isolated the metal in 1867.

Occurrence of the element Indium
From residues generated during zinc ore processing / refining. Found in iron, lead, and copper ores. Canada is the leading producer

Common Uses of Indium
Coating of high-speed bearings
Indium-tin-oxide thin films for liquid crystal displays (LCD)
Making mirrors
Making transistors
Photoconductors

The Properties of the Element Indium
Name of Element : Indium
Symbol of Element : In
Atomic Number of Indium : 49
Atomic Mass: 114.818 amu
Melting Point: 156.61 °C - 429.76 °K
Boiling Point: 2000.0 °C - 2273.15 °K
Number of Protons/Electrons in Indium : 49
Number of Neutrons in Indium : 66
Crystal Structure: Tetragonal
Density @ 293 K: 7.31 g/cm3
Color of Indium : silvery-white

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