Dioxide
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Dioxide
Dioxide (/daɪˈɒksaɪd/), from the Greek roots di- meaning "two" and -oxide meaning "oxygen", is a type of compound that contains two oxygen atoms per molecule.
Etymology
The term "dioxide" comes from the Greek di- meaning "two" and the English -oxide which is derived from the Greek -οξυς (-oxys) meaning "sharp" or "acid". The term was first used in the early 19th century to describe compounds containing two oxygen atoms.
Related Terms
- Monoxide: A compound that contains one oxygen atom per molecule.
- Trioxide: A compound that contains three oxygen atoms per molecule.
- Tetroxide: A compound that contains four oxygen atoms per molecule.
- Peroxide: A compound that contains an oxygen-oxygen single bond.
- Superoxide: A compound that contains an oxygen-oxygen bond with an extra electron.
Examples
- Carbon dioxide: A colorless and odorless gas that is vital to life on Earth.
- Sulfur dioxide: A toxic gas with a smell of burnt matches.
- Nitrogen dioxide: A reddish-brown toxic gas that is a prominent air pollutant.
See Also
External links
- Medical encyclopedia article on Dioxide
- Wikipedia's article - Dioxide
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