Iodide Ion

Definition

An iodide ion is an iodine atom that has gained one electron, giving it an overall negative charge. It's often involved in various chemical reactions and compounds.

Related terms

Anion:

A negatively charged ion, formed when an atom gains electrons.

Cation:

A positively charged ion, formed when an atom loses electrons.

Electron Affinity:

The amount of energy released or spent when an electron is added to a neutral atom or molecule.