Printable chemistry practice exam with 25 multiple-choice questions on pure substances, atoms, electrons, and states of matter.

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Chemistry Practice Exam 1

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This printable chemistry practice exam contains 25 multiple-choice questions spanning introductory chemistry topics: matter classification and properties, the scientific method, atomic structure, subatomic particles, isotopes, periodic table organization, electron configuration, and orbital theory. Covers content typically found in Grades 9–12 chemistry and introductory college chemistry. Use for test prep, review before a unit exam, or as a diagnostic assessment.

Subject:: Science
Topic:: Chemistry
Grade Level:: 9th Grade – College
Updated September 2025

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