DR TIM EVANS / SCIENCE PHOTO LIBRARY DR TIM EVANS / SCIENCE PHOTO LIBRARY
Ammonia. Computer model of a molecule of ammonia(NH3). Atoms are represented as spheres and are colour coded: nitrogen (blue) and hydrogen (white). Ammonia is a pungent-smelling colourless gas. It occurs naturally in gases from some geothermal springs. It is manufactured industrially using the Haber process and used in the manufacture of nitrogenous fertilisers, nylon, some explosives and plastics.
Model release not required. Property release not required.