100.0 MB (437.6 KB compressed)
7609 x 4593 pixels
64.5 x 38.9 cm ⏐ 25.4 x 15.3 in (300dpi)
MOLEKUUL / SCIENCE PHOTO LIBRARY MOLEKUUL / SCIENCE PHOTO LIBRARY
Potassium iodide (KI). Used to block and protect the thyroid gland against radioactive iodine, e.g. due to a nuclear disaster (cfr. Chernobyl). Present in Kelp. Atoms are shown as color-coded circles: potassium (pink), iodine (purple).
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