sentence: Chemistry is the study of elements, atoms, molecules, and how they react together.
sentences_before: A 'chemist' is a scientist who studies chemistry.
sentences_after: Chemists research and test medicines, explosives, and a lot of other things. Chemistry is a very important science because it is how we got almost all of the newer, more powerful medicines.
concept_name: chemistry
headings: Chemist
categories: Science occupations