Created at the request of visitors to a chemistry course for medical students at the University of Cologne, this short textbook presents the material relevant for passing the chemistry exam for medical students in a simple and understandable manner. It is explained step by step at a beginner's level. Topics include: atoms and the periodic table, chemical bonding, chemical formulae and structural formulas, chemistry of the elements, stoichiometry, thermodynamics, kinetics, chemical equilibrium, acids and bases, electrolytes, redox reactions, complexes, an overview of organic chemistry, hydrocarbons, alcohols, aldehydes and ketones, carboxylic acids, amines, and stereochemistry.