It is one of the most reactive and electropositive of metals. Except for lithium, it is the lightest known metal. It is soft, easily cut with a knife, and is silvery in appearance immediately after a fresh surface is exposed. It rapidly oxidizes in air and must be preserved in a mineral oil such as kerosene.
Melting point: 65.5 °C Boiling point: 759 °C
An ingot is a cast, normally with a rectangular or round shape.