50.0 MB (248.6 KB compressed)
4827 x 3620 pixels
40.9 x 30.7 cm ⏐ 16.1 x 12.1 in (300dpi)
LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Potassium nitrate, molecular model. Chemical compound used in fertilizers, food additives, rocket propellants and fireworks. One of the constituents of gunpowder. Atoms are represented as spheres and are colour-coded: nitrogen (blue), oxygen (red) and potassium (violet).
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