What sodium special uses?

Sodium doesn't have many special uses, and is not strong enough to be used in a bomb. Sodium has strong reactions with many other elements. For example, salt. Stalt is NaCl (1 part sodium, 1 part clorine). It reacts with the other element to create something that is required to live.

However, Sodium is much more than that.

When applied to the skin, (just sodium itself), it will burn right through it.

An extra piece of information: Sodium, when being burned, burns a white flame.