LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Potassium chromate. Molecular model of the chemical compound potassium chromate (K2.Cr.O4). This ionic compound produces a yellow colour and is used as an indicator for identifying concentrations of chloride ions when dissolved in a solution with silver nitrate. Atoms are represented as spheres and are colour-coded: chromium (grey), oxygen (red) and potassium (violet). Illustration.
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