RHYS LEWIS, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY RHYS LEWIS, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY
Propanoic acid molecule. Animation of the structure of a molecule of the carboxylic acid propanoic acid (C3.H6.O2). Atoms are colour-coded spheres: carbon (grey), hydrogen (white) and oxygen (red). This chemical occurs naturally in body metabolism (in sweat), and is also formed in the food industry in the production of cheeses.
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