A “mole” in chemistry is a standard scientific unit for measuring a lot of very small things like atoms, molecules, and other kinds of particles. “For...
Chemistry is the science of properties, composition, and structure of substances — that is, elements and compounds — their transformations, and the energy that is...
Target Applicant: Pre-University Science Olympiad is an international non-profit organization devoted to improving the quality of science education, increasing student interest in science and providing recognition...
