Caesium oxide (

IUPAC The International Union of Pure and Applied Chemistry (IUPAC ) is an international federation of National Adhering Organizations working for the advancement of the chemical sciences, especially by developing nomenclature and terminology. It is ...

name), or cesium oxide, describes

inorganic compound An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds⁠that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistry''. Inorgan ...

s composed of

caesium Caesium (IUPAC spelling; also spelled cesium in American English) is a chemical element; it has Symbol (chemistry), symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting point of , which makes it one of only f ...

and

oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...

. Several binary (containing only Cs and O) oxides of caesium are known.. Caesium oxide may refer to: *

Caesium suboxide Caesium (IUPAC spelling; also spelled cesium in American English) is a chemical element; it has symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting point of , which makes it one of only five elemental metals ...

s () *

Caesium monoxide Caesium monoxide or caesium oxide is a chemical compound with the chemical formula . It is the simplest and most common oxide of the caesium. It forms yellow-orange hexagonal crystals. Uses Caesium oxide is used in photocathodes to detect infrare ...

(, the most common oxide) *

Caesium peroxide Caesium peroxide or cesium peroxide is an inorganic compound of caesium and oxygen with the chemical formula . It can be formed from caesium metal by adding a stoichiometric amount in ammonia solution, or oxidizing the solid metal directly. : It ...

() *

Caesium sesquioxide Caesium sesquioxide is a chemical compound with the formula or more accurately . It is an oxide of caesium containing oxygen in different oxidation states. It consists of caesium cations , superoxide anions and peroxide anions . Caesium in this ...

() *

Caesium superoxide Caesium superoxide is a chemical compound with the chemical formula . It consists of caesium cations and superoxide anions . It is an orange solid. Preparation Burning caesium in excess oxygen will produce caesium superoxide. : Properties ...

() *

Caesium ozonide Caesium ozonide is an oxygen-rich chemical compound of caesium, with the chemical formula . It consists of caesium cations and ozonide anions . It can be formed by reacting ozone with caesium superoxide: : The compound reacts strongly with any ...

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References

{{Authority control Caesium compounds