In today's world, chemistry has a broad definition. It deals with composition and structure of matter. It also describes chemical reactions that involve atoms and molecules.
Chemistry consists of various categories such as organic chemistry, biochemistry, and geochemistry. We all use chemistry in our daily lives one way or the other. Quizzes on this page will test and improve your knowledge of important facts about chemical elements. Whether you are preparing for an exam or trying to improve your grades, practicing just a few minutes a day can make a difference.