Representative Iodides
| Compound | Formula | Appearance | Use or occurrence |
|---|---|---|---|
| Potassium iodide | KI | white crystals | iodine component of iodized salt |
| Hydrogen iodide | HI | colourless solution | strong mineral acid |
| Silver iodide | AgI | yellow powder that darkens in light | photoactive component of silver-based photographic film |
| Thyroxine (3,5,3',5'-tetraiodothyronine) |
C15H11I4NO4 | pale yellow solid | hormone essential for human health |
| HI | He | ||||||||||||||||
| LiI | BeI2 | BI3 | CI4 | NI3 | I2O4, I2O5, I4O9 | IF, IF3, IF5, IF7 | Ne | ||||||||||
| NaI | MgI2 | AlI3 | SiI4 | PI3, P2I4 | S | ICl, ICl3 | Ar | ||||||||||
| KI | CaI2 | Sc | TiI4 | VI3 | Cr | MnI2 | Fe | CoI2 | NiI2 | CuI | ZnI2 | Ga2I6 | GeI2, GeI4 | AsI3 | Se | IBr | Kr |
| RbI | SrI2 | Y | ZrI4 | Nb | Mo | Tc | Ru | Rh | Pd | AgI | CdI2 | InI3 | SnI4, SnI2 | SbI3 | TeI4 | I | Xe |
| CsI | BaI2 | Hf | Ta | W | Re | Os | Ir | Pt | AuI | Hg2I2, HgI2 | TlI | PbI2 | BiI3 | Po | AtI | Rn | |
| Fr | Ra | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Uut | Fl | Uup | Lv | Uus | Uuo | |
| ↓ | |||||||||||||||||
| La | Ce | Pr | Nd | Pm | SmI2 | Eu | Gd | TbI3 | Dy | Ho | Er | Tm | Yb | Lu | |||
| Ac | ThI4 | Pa | UI3, UI4, UI5 | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | |||
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