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

Across 4. ability to dissolve into another substance 7. Properties that describes a substance’s ability to change into a new substance with different properties 10. this tells you how many protons or electrons 15. examples include cutting your hair, peeling an apple, melting an ice cube 17. neutral particle 20. group 18 24. this tells you the sum of protons and neutrons 25. iron and titanium are these types of metals 28. one of the two liquid elements 29. alkali metal in period 7 30. negative charged particle 31. group 16 period 4

Down 1. ability to be pounded into shapes or into flat sheets 2. positive charged particle 3. shininess 5. mass # of 197 6. A characteristic of a substance that can be observed and measured without changing the identity of the substance 7. examples include digestion, bread molding, cooking lasagna 8. law of conservation of mass states that mass can not be ______ or destroyed 9. boron and silicon 11. very last row on the PT 12. has 12 neutrons 13. halogen in period 5 14. symbol is P 16. has 18 electrons 18. mass # of 247 19. alkaline earth metal in period 3 21. symbol of Zr 22. ability to be drawn into wires 23. the number of elements with only 1 letter symbols 26. group 11 period 5 27. atomic number is 30