Monoxide

Monoxide

Monoxide (/mɒˈnɒksaɪd/) is a type of oxide where the oxygen atom is bonded to exactly one other element. The term is derived from the Latin words mono meaning "one" and oxide meaning "oxygen compound".

Etymology

The term "monoxide" comes from the Latin mono- meaning "one" and -oxide from the Greek oxys meaning "sharp" or "acid". It was first used in the early 19th century to describe compounds where oxygen is bonded to a single other element.

Related Terms

• Dioxide: An oxide containing two oxygen atoms per molecule.
• Trioxide: An oxide containing three oxygen atoms per molecule.
• Tetroxide: An oxide containing four oxygen atoms per molecule.
• Peroxide: A compound containing an oxygen-oxygen single bond or the peroxide anion (O₂²⁻).
• Superoxide: A compound or anion containing oxygen bonded to another oxygen with a single bond and to another element with a single bond.

Examples of Monoxides

• Carbon monoxide (CO): A colorless, odorless, and tasteless gas that is slightly less dense than air. It is toxic to hemoglobic animals when encountered in concentrations above about 35 ppm.
• Nitric oxide (NO): A free radical and is an important signaling molecule in the body of mammals, including humans.
• Sulfur monoxide (SO): A compound with formula SO. In the gas phase is has a bent structure.

External links

• Medical encyclopedia article on Monoxide
• Wikipedia's article - Monoxide

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