All Puzzles articles
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PuzzleCryptic chemistry crossword #109
‘Right away, ensure to proceed (5)’ to complete this cryptic chemistry crossword
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PuzzleCryptic chemistry crossword #108
’Maybe introduce addition of electrons (9)’ while completing this cryptic chemistry crossword
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PuzzleChemistry wordoku #116
The puzzle that requires both logic and a sprinkling of chemistry knowledge
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PuzzleCryptic chemistry crossword #106
‘Fool around with Dot and Kiki even (5)’ while you complete this cryptic, chemistry-themed crossword
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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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PuzzleCryptic chemistry crossword #105
You might ’get hint about contract (7)’, but you’ll get no tips about this cryptic chemistry crossword
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PuzzleQuick chemistry crossword #099 - Lab Innovations 2025 special
Look ahead to this year’s Lab Innovations event with a bumper quick crossword.
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PuzzleCryptic chemistry crossword #104
You might need to ’Learn about silly glue (5, 5)’ to complete this cryptic crossword
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PuzzleCryptic chemistry crossword #103
Take some time to solve this crossword before you ’start preparing her introductory letter (3)’
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PuzzleCryptic chemistry crossword #102
While completing this puzzle, perhaps you would enjoy some ’cheese made to order (4)’?
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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