Download the puzzles from the October 2020 print issue of Chemistry World

There are four prize puzzles: cryptic crossword, quick crossword, wordoku and science scramble. For each puzzle, a winner will be selected from all the correct entries received. The winners will receive a £25 UK book voucher. You can enter any or all of the prize draws, but each entrant is only eligible to win one of the individual prizes each month.

This month we can only accept electronic entries for the puzzle competitions. Please send a photograph or scan of your completed puzzles to by 20 October 2020.1

Please find the download link below. The document also contains the solutions to September’s puzzles and the September prize winners.