Image of ammonia (NH3) molecules. Ammonia is a strong smelling and rather dangerous chemical, consisting of one atom of nitrogen (blue) bonded to three atoms of hydrogen (green).
Illustration ID: AMMONIA-molecules-2
copyright Russell Kightley
Illustration size: 16.8 Mpixels (48 MB uncompressed) - 4096x4096 pixels (13.7x13.7 in / 34.7x34.7 cm at 300 ppi)