Following terms include some useful information and study guides and help for Chemistry. If you could not find your lesson, kindly message us on live chat or Facebook, and our tutors will help you within 2 hour. Bond Angle and Molecule Structure – Chapter 1 45 Terms Chemical Composition and Properties of Matter – Assessment 50 Terms Enzyme Amino Acids and Bond – Biochemistry Exam 75 Terms Oxidation Number And Chemical Formula – Chemistry 50 Terms Significant Figures and Units System – Intro to Chemistry 35 Terms