Whqt is The smallest unit into which a pure substance such as sugar or water can be divided while still retaining its composition and chemical properties

The smallest unit into which a pure substance such as sugar or water can be divided while still retaining its composition and chemical properties is called a molecule.

The smallest unit into which a pure substance such as sugar or water can be divided while still retaining its composition and chemical properties is called a molecule. A molecule is made up of two or more atoms chemically bonded together. In the case of sugar, it is composed of carbon, hydrogen, and oxygen atoms, while water is made up of two hydrogen atoms bonded to one oxygen atom.