Chemistry wordoku
Sudoku-style letter puzzles with a chemistry slant
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PuzzleChemistry wordoku #124
You may need to go out of your depth to find the seawater-studying geochemist hidden in this sudoku-inspired puzzle
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PuzzleDecember 2025 puzzles
Download the puzzles from the December 2025 print issue of Chemistry World
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PuzzleChemistry wordoku #121
Discover the Australian Nobel laureate hidden in this sudoku-style puzzle
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PuzzleChemistry wordoku #119
Uncover the bioinorganic chemist hidden in the solution to this sudoku-style puzzle
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PuzzleNovember 2025 puzzles
Download the puzzles from the November 2025 print issue of Chemistry World
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PuzzleChemistry wordoku #116
The puzzle that requires both logic and a sprinkling of chemistry knowledge
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PuzzleOctober 2025 puzzles
Download the puzzles from the October 2025 print issue of Chemistry World
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PuzzleChemistry wordoku #113
Two puzzles in one! Solve the sudoku-inspired letter puzzle, then descramble the American chemist
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PuzzleChemistry wordoku #110
Solve this sudoku-style puzzle and unscramble the 18th century chemist
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PuzzleSeptember 2025 puzzles
Download the puzzles from the September 2025 print issue of Chemistry World
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