Chemistry is the scientific study of the composition, properties and interactions of organic and inorganic matter. Chemistry is commonly used in fields of science and medicine, according to About.com.
This particular field of science is studied by chemists. Chemists experiment to help others further understand the world and how it works. Chemistry is commonly referred to as a central science because it usually merges with other sciences such as biology and physics. Chemistry mainly focuses on the interactions between atoms. Notable chemists include John Dalton, who proposed the modern theory of atoms, and Antoine Laviosier, who developed the principle of conservation of mass.