Indium is a soft, ductile,malleable, lustrous metallic metal. Itscolor is silvery white and it has a face-
centered tetragonal structure. It is liquidover a wide range of temperatures, likegallium that belongs to its same group. Bothindium and gallium are able to wet glass.Indium is stable in air and in water butdissolves in acids. When heated above itsmelting point it ignites burning with aviolet flame.
