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This course builds a practical foundation in chemistry by connecting particle-level ideas to everyday observations. It covers how matter is classified and measured, how atoms are structured into isotopes and ions, and how the periodic table predicts properties and reactivity. Core bonding models (ionic, covalent, metallic) and molecular structure explain formulas, naming, and material behavior. Chemical reactions are explored through evidence of change, common reaction types, and conservation of mass with introductory equation balancing. The course also introduces states of matter, solutions and concentration, acids and bases with pH, and essential lab safety and measurement practices.