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Chemistry is roughly eight questions of the TEAS 7 Science section. That sounds negligible until you remember that Science is 50 questions and most candidates spend all their science time on anatomy. Eight questions from a narrow, learnable syllabus is good value.
The whole scope, more or less
- Atomic structure. Protons, neutrons, electrons, where each sits, what each carries, atomic number against mass number, isotopes.
- The periodic table. How it is organised, what a group and a period tell you, metals against non-metals, reactivity trends at a basic level.
- Bonding. Ionic against covalent, what each does to electrons, why water is polar.
- States of matter and phase changes. Melting, freezing, evaporation, condensation, sublimation, and what happens to energy at each.
- Solutions. Solute, solvent, concentration, solubility, what raises or lowers it.
- Acids and bases. The pH scale, what is acidic and what is basic, neutralisation.
- Chemical reactions. Reading an equation, conservation of mass, catalysts, what speeds a reaction up.
What is not on it
You will not be balancing complex equations, doing stoichiometry or calculating molarity. If a revision resource has you doing those, it is written for a general chemistry course, not for this exam, and it is costing you time you need elsewhere.
Where chemistry and physiology meet
The exam likes questions that sit on the boundary: why water matters as a solvent in the body, what a buffer does to blood pH, why diffusion moves substances from high to low concentration. Revising these once serves both the chemistry questions and the anatomy ones, which makes them the most efficient hour in the section.
How to revise it
Seven topics, one sitting each, questions first and cheat sheet second. A week of short evenings covers the entire chemistry scope of this exam, which is a claim you cannot make about anatomy.
For the other half of the section, see TEAS science: anatomy and physiology, and for the part people skip entirely, scientific reasoning.