A fun and educational crossword on the periodic table – the answer to every clue is an element in the periodic table. Full answer guide included in multiple formats to aid teachers in reviewing. Clues indicate the number of letters in the answers. Compact grid (17x17) created using specialist software. Sample questions 15-across Atomic no.78, symbol Pt , precious silvery-white metal used in jewelry; million-selling record; person with silvery hair - ___ blonde (8) Answer - Platinum 8-down Atomic no.47, symbol Ag, precious shiny grayish-white metal; runner-up medal material; pirate Long John ___ (6) Answer - Silver