Iron and oxygen
Iron and oxygen
Calcium (Ca) and Oxygen (O) are the two elements that make up calcium oxide.
There are two elements that make up the compound NaBr, or sodium bromide. These two elements are sodium and bromine.
PotassiumFluorine
Hydrogen and fluorine are the two elements that make up hydrogen fluoride (HF).
The two elements that make up most of the oceans are hydrogen and oxygen, forming water molecules.
two or more different elements
Power and legitimacy
A molecule of water, which has the formula H2O, is made up of the elements hydrogen and oxygen.
Two or more elements can combine into a compound.
Two elements, two hydrogen atoms and one oxygen atom
Methane is CH4 and has the elements carbon and hydrogen.