1.Fundamental concepts. 2.The laws of chemical change. Dalton´s atomic theory. 3.Valence. The periodic table. 4.Atomic structure. 5.Electron configurations in atoms and valence. 6.Oxygen. 7.Hydrogen. 8.The gaseous state. 9.The liquid and solid states. 10.Water and hydrogen peroxide. 11.Molecular weights and atomic weights. 12.Volume calculations from chemical equations. 13.Solutions. 14.Equilibrium in chemical reactions. 15.Acids, basic, and salts. 16.Ionic equilibrium in aqueous solutions. 17.Oxidations and reductions. 18.The halogen elements. 19.Compounds of the halogens. 20. The sulfur family. Compounds of sulfur. 21.The atmosphere. Inert gases. 22.The nitrogen family. 23.Carbon and the other elements of group IVA. 24.The hydrocarbons. 25.Electromotive chemistry. Use of electrode potentials. 26.The alkali metals. 27.The alkaline earth group. 28.The group IB and group IIB metals. 29.The group IIA element. Boron and aluminum. 30. Iron, cobalt, nickel, and the platinum metals. 31.The transition elements. 32.The colloidal state. 33.Organic compounds. 34.Nuclear chemistry.