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32
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	34

Across 1. H-----C------H 5. forms between two non metals 10. PV=nRT 12. takes the shape of its comtainer 13. the amount of matter an objects has 14. group of atoms charged negative or positive 15. kelcin minus 273 16. P1/T1=P2/T2 17. the class were in 18. substance breaks apart 19. in a chamical reaction the mass always stays the same 21. when carbon dioxide and water are products 24. P1V1=P2V2 26. model of molecular motion used to explain properties if gas 30. two atoms change places 31. negative ion 32. information contained through sences 33. after a chemical reaction 34. before a chemical reaction

Down 2. one atom changes places 3. bonds that form to make atoms happy 4. two or more substance combine 5. V1/T1=V2/T2 6. electrons on the outermost energy level 7. negativly charged subatoimic particle 8. table of elements 9. P1V1/T1=P2V2/T2 10. forms between metal and non metal 11. an atones needs 8 valence electrons to be happy 20. in a netral atom the electrons is equal to the _______ number 22. something that is hard 23. 6.02x10 to hw 23 power 25. a substance that can break down in a chemical reaction 27. positivly charged ion 28. takes up space 29. celcius plus 273