Is indium a metal?

Indium is a metal.

Indium is a post-transition metal.

Metals have luster ,they are electric and heat conductors , moreover they have high melting and boiling points.This properties will distinguish it from nonmetals.

Any metal that is in its elemental form is considered metal. A substance that contains a metal in its ionized form is considered a salt.

Metallic elements tend to have similar physical characteristics; they are ductile, malleable, electrically and thermally conductive, solid at room temperature (except mercury) and have very high...