Across
- 3. does NOT depend on amount density (mass divided by volume)
- 6. shows valence electrons
- 7. example of fission
- 10. how badly an atomn wants e- in a bond(highest =F)
- 11. positive charged ion
- 12. can dissolve(usually in water)-physical property
- 18. A negatively charged ion
- 19. unstable isotope that will decay
- 20. gains energy an jumps top higher e- level
- 23. showers, eyewwash fountain, goggles, fire estinguisher, aprons)
- 25. negative charge, found found on valence
- 26. cant be separated physically - elements and compounds
- 27. metals, delocalized
- 29. metal and nonmetal,tranfers e-
- 31. 2 nonmetals,shared e-
- 33. eating away/burning gradually
- 35. guess based off of research (educated guess)
- 40. states an element is one of a kind (pure)
- 42. same element, different mass
- 43. shows flammability
- 44. physical property that depends on the ammount (size, mass, volume)
Down
- 1. sheet for all hazardous products
- 2. mass of 1, found in nucleus
- 4. electron location
- 5. 2 or more substances physically combined
- 8. size of atom (largest = bottom left corner)
- 9. observed or measured
- 13. multiple atoms bonded together w/charge
- 14. model of an atom shows a space of positive charge
- 15. 2 nonmetals, shared e-
- 16. any element in groups 3 to 12 on the periodic table.
- 17. metal and nonmetal, transfer e-
- 21. reactivity or chemical composition (what its made of)
- 22. electron falls back to original level and gives pff energy
- 24. change in energy of a neutral atom
- 28. emite alpha particle
- 30. charged atom (#electrons)
- 32. guess based on evidence
- 34. positive charge, mass
- 36. evenly mixed
- 37. Dihydrogen monoxide and hydroxyl acid
- 38. large nucleus looses particles
- 39. gives off energy
- 41. size of wave