First of two-semester sequence for students concentrating in the sciences. Stoichiometry, acids, bases, liquids, solids, solutions, equilibria, thermodynamics, kinetics, electrochemistry, atomic structure, bonding, and selected chemical systems. Correlated laboratory experiments emphasizing quantitative analysis. Three hours lecture, one hour discussion, one hour lab lecture, four hours lab. Carries natural science divisional credit (with lab) in CAS. Effective Fall 2018, this course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I, Critical Thinking.