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

s composed of

caesium Caesium (IUPAC spelling) (or cesium in American English) is a chemical element with the 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 that a ...

and

oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as wel ...

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

Caesium suboxide Caesium (IUPAC spelling) (or cesium in American English) is a chemical element with the 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 that ...

s (Cs₇O, Cs₄O, and Cs₁₁O₃) *

Caesium monoxide Caesium monoxide, (Cs2O), often simply Caesium oxide, 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 infrared signals in devices such as image ...

(Cs₂O, the most common oxide) *

Caesium peroxide Caesium peroxide or cesium peroxide is a compound of caesium and oxygen. It can be formed from caesium metal by adding a stoichiometric amount in ammonia solution, or oxidizing the solid metal directly. :2Cs + O2 → Cs2O2 It can also be formed ...

(Cs₂O₂) *

Caesium sesquioxide Caesium sesquioxide is a chemical compound with the formula or . In terms of oxidation states, Caesium in this compound has a nominal charge of +1, and the oxygen is a mixed peroxide () and superoxide () for a structural formula of . Compared to ...

(Cs₂O₃) *

Caesium superoxide Caesium superoxide is the superoxide of caesium. It is an orange solid. Preparation Burning caesium in excess oxygen will produce caesium superoxide. : Properties Caesium superoxide's crystal structure is same as calcium carbide. It contains ...

(CsO₂) *

Caesium ozonide Caesium ozonide (CsO3) is an oxygen-rich compound of caesium. It is an ozonide, meaning it contains the ozonide anion (O3−). It can be formed by reacting ozone with caesium superoxide: :CsO2 + O3 -> CsO3 + O2 The compound will react strongly w ...

(CsO₃)

References

{{Authority control Caesium compounds