indium (In) is a very soft, silvery-white, rare metallic element
in group IIIA of the periodic table,
resembling aluminum. Indium is prepared
from the dust residues of zinc processing.
It forms trivalent compounds and some monovalent ones.
| Indium ingots
Malleable and ductile, indium is used in solders, low-melting-point alloys,
germanium transistors, glass seals, mirror
surfaces, bearing alloys, and (combined with group VA elements) in semiconductors.
Its most common isotope is 115In (95.77%).
|relative atomic mass