Chemistry crosswords
Brain-teasing chemistry-themed puzzles, both quick and cryptic, that you can complete online
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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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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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PuzzleSeptember 2025 puzzles
Download the puzzles from the September 2025 print issue of Chemistry World
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PuzzleCryptic chemistry crossword #101
Ruminate about extremely tense stage (7) while you complete this cryptic chemistry crossword
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PuzzleCryptic chemistry crossword #100
Order shiny peas? Very difficult! (9) – are you up to the challenge of this cryptic crossword?
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PuzzleCryptic chemistry crossword #099
A little gammon may be damaging (4), but this cryptic chemistry crossword can’t hurt you
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PuzzleCryptic chemistry crossword #098
Lay aside leathery liquid (5) and spend some time on this cryptic crossword
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PuzzleQuick chemistry crossword #098
From a mission to Saturn’s moons to a marine mollusc, this quick chemistry crossword will test your knowledge
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PuzzleCryptic chemistry crossword #097
Stretch some winning sides (7) and see if you can complete this week’s cryptic chemistry crossword
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PuzzleQuick chemistry crossword #097
This quick chemistry crossword condenses clouds of ions, a dash of Queen Anne’s lace, and a liqueur-laced current into one electrifying challenge.
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CareersHow I became the crossword compiler for Chemistry World
Paul Board has been setting Chemistry World’s crosswords for over 15 years. To celebrate the centenary of the (fully) cryptic crossword, he explains his crossword setting process and dissects some of his favourite science-based clues
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PuzzleCryptic chemistry crossword #096
This puzzle might give you a ‘happy moment when working’ (6)
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PuzzleQuick chemistry crossword #096
This quick chemistry crossword covers codebreaking, chemistry, and ecclesiastical architecture.