Silver oxide

Silver oxide is a dark brown inorganic compound, usually silver(I) oxide (Ag₂O), formed from silver and oxygen. It is used in silver-oxide batteries and in chemical synthesis.

Silver(I) oxide: The inorganic compound Ag₂O, in which silver has the +1 oxidation state. This is the specific compound meant by silver oxide in most uses.
Silver oxide decomposition: The breakdown of silver oxide into metallic silver and oxygen under suitable conditions. Heating Ag₂O reverses its formation and releases oxygen.
Silver-oxide battery: A primary electrochemical cell that uses silver(I) oxide as its positive electrode material. Ag₂O accepts electrons at the battery’s positive electrode during discharge.
Silver(II) oxide: The silver oxide AgO, containing silver in mixed oxidation states commonly represented as Ag(I) and Ag(III). AgO is a distinct, darker silver oxide rather than the usual Ag₂O compound.
Silver: A soft, lustrous transition metal with atomic number 47. Silver is the metallic element that combines with oxygen to form Ag₂O.
Redox reaction: A chemical reaction involving transfer of electrons and changes in oxidation states. Silver oxide participates in redox changes as silver ions become metallic silver.
Alkaline battery: A primary battery that uses an alkaline electrolyte, commonly potassium hydroxide. Silver-oxide cells use alkaline electrolyte chemistry related to that of alkaline cells.
Silver(III) oxide: A silver oxide composition in which silver is assigned the +3 oxidation state. Its higher formal oxidation state distinguishes it from silver(I) oxide.
Oxygen: A reactive nonmetallic element with atomic number 8 that commonly forms oxides. Oxygen supplies the oxide ions in silver(I) oxide.
Thermal decomposition: The chemical breakdown of a substance caused by heating. Heat can decompose silver oxide into silver and oxygen.

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Silver nitrideCompared with: It is a better-characterized Ag(I) solid for comparison with proposed silver nitride formulas.