Valued for its inertness, and contained both in amino acids and nucleic acid bases, for ten points, name this diatomic element found in ammonia and in air.
Studied by scientists such as Henry Cavendish and Joseph Priestly, this element has proved to be essential to everyday life.  It is a component in explosives, rocket fuel, filling tires, and coolant. Valued for its inertness, and contained both in amino acids and nucleic acid bases, for ten points, name this diatomic element found in ammonia and in air.
Studied by scientists such as Henry Cavendish and Joseph Priestly, this element has proved to be essential to everyday life.  
{nitrogen}