A certificate of achievement may be earned by completing all the courses required for the major with a grade of C or better. Chemistry is the science of substances and their interconversions. Subjects studied in chemistry range from microscopic and theoretical properties of atoms and molecules to topics in materials science, biological sciences, environmental science, agriculture, food science, geology and astronomy. A background in chemistry is important not only for chemists, but also for students going into biology, medicine, pharmacy, engineering, and even in such specialized fields as enology and art conservation. In addition to chemistry courses, chemistry majors need to have strong backgrounds in math and physics.<br><br>Some possible careers- Research chemist, pharmacist, laboratory technician, technical writer, marketing representative, technical sales and service representative, toxicologist, perfumer, assayer, food chemist, physician, dentist, veterinarian, air pollution analyst, chemical processing plant workersupervisor, crime lab analyst, medical librarian, patent agentattorney.