£50 of vouchers to be won Chemical acrostic Complete the grid (contributed by Simon Cotton) by answering the eight clues to find the answer in the shaded box. This will spell out a transition metal that forms the white oxide widely used as a pigment. Puzzles Wordsearch 1 2 Find the 33 words/expressions associated with the chemistry of pottery hidden in this grid (contributed by Bert Neary). Words read in any direction, but are always in a straight line. Some letters may be used more than once. When you have found all the words, use the remaining letters to make a 10-letter word. 3 4 5 6 T R A N S F O R M A T I O N P C E R R N O I T A D I C U L E D L T M A E R A W N E H T R A E Y E A M P N E T I N I L O A K S C F C S A I S O P O R C E L A I N O I O T R R I D R A P S D L E F L L R M I G I T E R A W E N O T S I O T P C A C I R N Q U A R T Z S K U I O I I A O I O S H T O O M S S R V S T D L 4. Largest stable atom in group 1 N F R O P A Q U E Y A L C I Y E A 5. I'm in sugar and ethanol, but not in polythene. What am I? M B I S C U I T W A R E L T W S P E G R E E N W A R E A I C I O A P T N O X I D E S S L I P L O L H R 7. Transition metal found in some anti-cancer drugs A T E M P E R A T U R E E N L P O L K U P O T T E R Y G L A Z E S A 8. The atom with the largest atomic radius in the third period of the periodic table S L S P U O R G L Y X O R D Y H C A S E L U C E L O M R E T A W S H FIRED GREENWARE HYDROXYL GROUPS IRON KAOLINITE KILNS OPAQUE OXIDES PHASE DIAGRAM PLASTICITY PORCELAIN POTTERY GLAZES QUARTZ SLIP SMOOTH STONEWARE TEMPERATURE TRANSFORMATION TRANSITION METALS VITRIFY WATER MOLECULES YELLOW March wordsearch solution and winner The winner was Flo Barker from Richmond. The 7-letter word was LATTICE 8 1. Alkali metal in Group 1 with the highest first ionisation energy 2. Non-metal with disinfectant properties 3. Radioactive halogen 6. Smallest atom in group 2 Another clue… The oxide of the transition metal in the shaded box is a widely used pigment in paint, paper and toothpaste, and to mark the lines on tennis courts © AFRICA STUDIO/SHUTTERSTOCK AIR ALUMINIUM SILICATE BISCUITWARE CLAY CLEAR COLOUR DECOMPOSITION EARTHENWARE ELUCIDATION EMPIRICAL APPROACH FELDSPAR 7 March acrostic solution and winner The winner was Gabriel Strain from Clitheroe. O 0313MOLE - Puzzles.indd 12 I L V E R A R G O N Y G E N R S E N M A Submit your answers online at http://svy.mk/TM313ans by Monday 10 June. A correct answer for each puzzle, chosen at random, will win a £25 Amazon voucher. X S S T P A L L A D I U C H L O R I N E M P O L O N I U R O N T I U M I C 4/26/2013 8:37:39 AM