Linked from
The 30 pages that link to Iodine, each with the reason it gives.
DaguerreotypeRelated: Iodine vapor sensitized the polished plate before camera exposure.
Silver iodideRelated: Iodine supplies the I component in silver iodide.
ThyroxineRelated: Four iodine atoms are part of each T4 molecule.
Nitrogen triiodideRelated: Three iodine atoms are bonded to nitrogen in the compound.
ThyroidRelated: The gland incorporates iodine into the molecular structure of T3 and T4.
Caesium iodideRelated: Iodine supplies iodide, the anion paired with Cs⁺.
Lithium iodideRelated: Iodine becomes iodide, the negative ion paired with lithium.