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																				40

Across 1. This group 2 element burns with a red flame 5. Type of salt formed from sulphuric acid 7. Substance produced in the reaction between an acid and metal or metal compound 9. A liquid non-metal 10. Indicator that can be red or blue 11. Fire triangle - Heat, oxygen and _________ 12. Gas produced when group I or II metal reacts with water 16. Name of group I (2 Words) 17. Gaining oxygen 18. Rings when struck 21. Word used to describe adding more solid than needed to completely react. 24. Main component of air 25. Fruit used to make a natural indicator 27. Elment, symbol "Hg" 29. Produced when magnesium burns in air (2 Words) 32. Apparatus used for heating solids in 33. A substance were all the atoms are the same type. 35. Anhydrous copper sulphate tests for this substance 36. Limewater tests for this substance (2 Words) 38. A horizontal row of the periodic table 39. Only contains carbon and hydrogen atoms 40. Colour of sulphur powder

Down 2. How group I metals are stored (2 Words) 3. An soluble metal oxide or hydroxide 4. Oxygen does this to a glowing splint 6. An insoluble metal oxide or hydroxide 8. Solution with a pH less than 7 13. A reaction that produces heat 14. Thermal ______________ - When a substance is broken down by heating 15. Metal that doesnt react with acid 19. Elements in the same group have the same _______ 20. Speeds up a chemical reaction without being used up 22. Element with two of the same atoms joined together 23. Name of the reaction between an acid and an alkali 26. Father of the modern periodic table 28. ____________ and pestle 30. Common name of a weak acid found in the home. 31. A pH of 7 34. This halogen sublimes to form purple vapour 37. Scale used to describe the strength of an acid or alkali