ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY
Ammonia. Molecular model of ammonia, NH3. The blue sphere represents an atom of nitrogen, the white spheres represent hydrogen. Ammonia is a pungent- smelling colourless gas, lighter than air and very soluble in water. It is manufactured on an industrial scale and used mainly to produce nitrogenous fertilizers, some explosives, and nitric acid.
Model release not required. Property release not required.