Sodium is an element which belongs to the group 1. It is a silvery white and highly reactive element. It is a metal from the group 1. Sodium is one of the common elements of the world. The majority of sodium comes in the form of sodium chloride.
Sodium has been used since ages. Sodium was first isolated by Sir Humphry Davy in the year 1807.
Sodium is a very soft metal. At room temperature you can easily cut it with a knife. So that is why it can not be used for cutlery. Apart from that it can be a health hazard for you as it is very reactive in nature.