Chemistry

Periodic table elements and organic chemistry.

												1			2
							3														4
																		5
					6																			7
				8
9				10														11
															12
		13
							14									15						16
17																								18
																				19
												20
					21
22							23
																			24
25												26	27					28
									29
					30						31
		32																33
34								35								36
		37									38
										39

Across 2. 4:10 C:H 3. group 7 5. 6 carbon bonds and no shares 6. low reactive metal 10. like rubber 12. used as fuel in cars 15. a form of carbon 17. posh scientific word for chloromethane+chlorine atom reactions 19. guess 20. a green gas and is poisonous 23. teacher 24. a unit 25. found in cars 26. group 1 period 6 31. Ethene 32. 2:4 C:H 33. a good conductor 34. 1:4 C:H 35. this solution can show starch 36. can be eaten to show blockages 37. used as a fuel in jet engines 38. used to make chemicals 39. good for your bones

Down 1. DNA 3. lighter than air 4. the collective number of these creat a diamond under pressure 7. guess 8. over 70% isfound in the air 9. yellow element 11. sharing 13. (anagram) buy model num 14. fizzes in water; K 16. used in light bulbs 18. gives away 21. rusts 22. very reactive 27. Propane, Butane 28. very poisonous; chemical which said drove sir isaac newton 29. explodes with fire 30. bright lighting can be coloured

The look has changed! Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

Use the "Printable HTML" button to get a clean page, in either HTML or PDF, that you can use your browser's print button to print. This page won't have buttons or ads, just your puzzle. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!