Molecules are visualized as very miniscule pieces of certain substances. These tiny particles are referred to as biomolecule when within the structural or cellular stages. Combinations of two or more atoms of the same or different elements held together by chemical bonds. Molecules are the smallest particles within chemical components or elements that consist of certain chemical characteristics of that component or element. Water is considered a molecule and compound due to consisting of molecular bonds and is produced from multiple elements such as hydrogen and oxygen.