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chemical properties of elements

Indium

Properties

Atomic Number49
CAS Registry Number7440-74-6
Chemical SymbolIn

History

The atomic number is 49 and the chemical symbol is In. The name derives from indigo for the indigo-blue line in the element information. Thes spark spectrum. It was discovered in 1863 by the German physicist Ferdinand Reich and the German metallurgist Hieronymus Theodor Richter while examining zinc blende. They isolated indium in 1867.

Holden, Norman E., (2004). History of the origin of the chemical elements and their discoverers. National Nuclear Data Center. Retrieved from http://www.nndc.bnl.gov/content/elements.html



Indium Atomic Number

Indium CAS Registry Number

Indium Chemical Symbol