Potassium
Fluorine
The compound KF is called potassium fluoride. It is made up of the elements potassium (K) and fluorine (F).
Carbon and hydrogen are the two main elements that make up crude oil.
Calcium (Ca) and Oxygen (O) are the two elements that make up calcium oxide.
Iron is, itself, and element. It is not a compound of two elements.
There are two elements that make up the compound NaBr, or sodium bromide. These two elements are sodium and bromine.
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
Iron and oxygen
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.