This book is the translation of one of Hamidreza Motifar's book named "Chemistry in Summary" (the eight edition) and it could be considered as a complete resource for the students in college. This book is covered these topics: Atom structure and electron configurations, Periodic table, Ionic and covalent compounds, Organic chemistry, Stoichiometry and limiting reactant calculations and equation balancing, thermodynamic, Solutions, Kinetics, Equilibrium in chemistry, Acids and bases and ionization constants of acids and bases, and electrochemistry.