Radium is a decay product of uranium, thorium or neptunium.
There are two elements that make up the compound NaBr, or sodium bromide. These two elements are sodium and bromine.
Zinc and Calcium
Two or more elements can combine into a compound.
atoms and elements
Oxygen and silicon are the two elements that make up 75 percent of the total mass of the crustal rocks on Earth.
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
Zinc and Calcium
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.
Two elements, two hydrogen atoms and one oxygen atom