Input interpretation
![selenium ions](../image_source/c61b4be36cb22a53f0ed3f162927fb5d.png)
selenium ions
Members
![selenide anion | selenite anion | selenate anion | hexachloroselenate(IV) anion](../image_source/4645a6d09fb6e29830018532e3d84aa4.png)
selenide anion | selenite anion | selenate anion | hexachloroselenate(IV) anion
Structure diagrams
![Structure diagrams](../image_source/c9eb691a043067e5c8f235d890a2bee0.png)
Structure diagrams
Ionic radii
![thermochemical radius | median | 249 pm | lowest | 239 pm (selenite anion) | highest | 326 pm (hexachloroselenate(IV) anion)](../image_source/073d719a1976c929c04bcb360facaaba.png)
thermochemical radius | median | 249 pm | lowest | 239 pm (selenite anion) | highest | 326 pm (hexachloroselenate(IV) anion)
Units