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