The cyanide ion, represented as CN⁻, is a negatively charged ion consisting of a carbon atom triple-bonded to a nitrogen atom. It is known for its high toxicity and is often associated with various industrial processes, including the extraction of gold and silver from ores. Cyanide can be found in different forms, such as hydrogen cyanide (HCN) in gaseous state or as salts like sodium cyanide (NaCN). Due to its ability to inhibit cellular respiration, exposure to cyanide can be lethal, making it a significant concern in both environmental and health contexts.