There are two: potassium and oxygen.
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Nitric oxide (NO) has 2 elements: nitrogen (N) and oxygen (O).
nitrous oxide, or N2O contains two elements, Nitrogen and Oxygen
Aluminium oxide has two elements: aluminium and oxygen.
There are two elements, namely sodium and oxygen.
Iron oxide has two main chemical compounds: iron(II) oxide (FeO) and iron(III) oxide (Fe2O3). Both compounds consist of two elements - iron and oxygen.
Just two: calcium and oxygen.
Two: copper and oxygen.
Yes.
There are 2 elements in potassium oxide, which are potassium and oxygen.
Copper oxide is composed of two elements: copper and oxygen. Copper oxide has a chemical formula of CuO, indicating that it consists of one copper atom and one oxygen atom.
The elements found in ferrous oxide are iron (Fe) and oxygen (O).