Sodium, like every reactive element, is never found free in nature. Sodium is a soft, bright, silvery metal which floats on water. Decomposition in water results in the evolution of hydrogen and the formation of the hydroxide. It normally does not ignite in air at temperatures below 115°C.
Melting point: 97.8 °C Boiling point: 883 °C
An ingot is a cast, normally with a rectangular or round shape.