WestE/Praxis II Chemistry 0245 Author:Sharon Wynne Includes 20 competencies/skills found on the WEST-E/PRAXIS II Chemistry tests and 128 sample-test questions. This guide, aligned specifically to standards prescribed by the Educational Testing Service, covers the sub-areas of Atomic Structure/Chemical Periodicity/Thermodynamics of Chemical Reactions; Nomenclature/The Mole, Bonding, and Geometry;... more » Solutions and Solubility; Chemical Reactions/Biochemistry; Matter and Energy; Heat, Thermodynamics and Thermochemistry; History and Nature of Science; and Science, Technology and Social Perspectives.« less