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Printable 8th grade chemistry quiz with questions on atomic structure, subatomic particles, ions, and isotopes.
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Basic Atomic Structure & Periodic Table Practice Quiz

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This printable chemistry quiz for 8th graders contains 20 multiple-choice, true/false, and short-answer questions on atomic structure and the periodic table. Topics covered include subatomic particles, atomic number and mass, ions versus isotopes, and valence electrons. Suitable for unit review, test prep, or formative assessment after an atomic structure unit.

Subject:
Science
Topic:
Chemistry
Grade Level:
8th Grade
Updated March 2026

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