Sarcasm Primary Elements of Humor Science S Ar Ca Sm Funny Chemistry design. Cool graphic apparel for chemist or scientist who is studying organic chemistry, analytical chemistry, physical chemistry, inorganic chemistry, and biochemistry. Chemistry clothes showing periodic table of elements for Chemists, Science teachers, Scientists, students, men, women, boys, girls, kids, youth to wear at the school science fair, laboratory or lab. Lightweight, Classic fit, Double-needle sleeve and bottom hem