Chemistry crossword with periodic table, elements, compounds, and atomic structure vocabulary.

Crossword Puzzle

Chemistry Concepts Crossword Puzzle

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About:

A 20-clue chemistry crossword covering foundational concepts: elements, compounds, and mixtures; periodic table organization (groups, periods, metals, nonmetals, metalloids); and atomic structure (protons, neutrons, electrons, atomic number, isotopes). Use it for vocabulary review after a unit on atomic structure and the periodic table, as a classroom warm-up, or a homework assignment for students in Grades 6–8.

Subject:: Science
Topic:: Chemistry
Grade Level:: 6th – 8th Grades
Updated February 2026

How to Use This Crossword Puzzle

Print this crossword for classroom use, homework packets, or sub plans. Click 'View Crossword' to modify clues, adjust difficulty, or add your own words before downloading as a PDF. An answer key is included with every download.