TEAS 7 Science
TEAS 7 Chemistry: review and practice questions
Atomic structure, the periodic table, chemical bonds and reactions, states of matter, solutions, and acids and bases.
What this topic covers
- Atoms, isotopes and ions
- Ionic and covalent bonds
- Balancing equations and reaction types
- pH, solutions and properties of water
Practice questions: Chemistry
2 free questions with explanations. The full bank has 45 Chemistry questions.
Which of these is a chemical change?
Show answer and explanation
Answer: C. Rusting forms a new substance (iron oxide). The others change only physical form.
Which compound is organic?
Show answer and explanation
Answer: D. Organic compounds are carbon-based molecules containing carbon–hydrogen bonds, like glucose. NaCl and H₂O are inorganic.
More Science topics: Anatomy & Physiology · Biology · Scientific Reasoning · Science study guide