Across
- 3. evenly mixed
- 6. same number of energy levels
- 7. energy it takes to remove an electron
- 9. negatively charged ion
- 10. an idea that has evidence to support it
- 11. nonmetal and nonmetal
- 13. the same number of valence electrons
- 14. decay radioactive isotopes emit a
- 15. positively charged ion
- 16. property is something that is measurable or observed
- 17. structures show valence electron bonds
- 20. color of light
- 22. between metals
- 25. decay does NOT involve particles emission
- 26. spectrum range of wavelengths radiate
- 30. sheet with hazards and properties of a chemical
- 31. radius size of atom bottom left
- 33. property reactivity or chemical composition
- 35. electron jumps up a level
- 37. substance substance that can not be physically separated
- 39. property physical property that depends on the amount (size, mass, and volume)
- 40. metal and nonmetal
- 41. change element charge doesn't change mass
Down
- 1. fission large nuclei split to form small, stable nuclei
- 2. if it can dissolve in water
- 4. breaks down
- 5. location of an electron
- 8. charged particles
- 9. NH4
- 12. unstable isotope
- 18. more than 2 elements
- 19. jumps down a level
- 21. an educated guess
- 23. two or more substances physically combined
- 24. same element with different masses
- 27. how badly an atom want boning e-
- 28. NO3 -
- 29. property physical property that does NOT depend on the amount
- 32. SO4-2
- 34. unevenly mixed
- 36. fusion small nuclei to form one large nuclei
- 38. gives off energy