Indium was discovered by Ferdinand Reich, Hieronymus Theodor Richter at 1863 in Germany
Origin of name: named after the indigo line in its atomic spectrum.
Atomic Number: 49
Atomic Weight: 114.818
Melting Point: 429.75 K (156.60°C or 313.88°F)
Boiling Point: 2345 K (2072°C or 3762°F)
Density: 7.31 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 5 Group Number: 13 Group Name: none