Across
- 2. educated guess
- 5. distribution of electrons in a atom
- 7. observed or measured
- 9. atom with charge
- 10. energy it takes to remove an e-
- 11. composition is not uniform
- 14. way of giving info about the chemical proportions of atoms
- 15. shows valence e-
- 18. emits gamma radiation
- 19. positive charged ion
- 20. eats away
- 22. safety regulations followed during lab
- 23. small nuclei combines to form 1 large nuclei
- 26. metals delocalized e-
- 30. composition is uniform
- 33. e- gains energy and jumps to high level
- 35. amount doesnt matter
- 36. well-sustained explanation
- 37. safety data sheet
- 38. reactivity or chemical composition
- 39. covalent bonded atoms with charge
- 40. substance's ability to dissolve in liquid
Down
- 1. fixed composition
- 3. nonmetals, share e-
- 4. mix of substances not chemically combined
- 6. elements with same atomic #; position of table
- 8. the theory that all matter is made up of tiny indivisible particles
- 12. emits alpha particles
- 13. range of wavelengths in radiation
- 16. gives off energy
- 17. unstable isotope that will decay
- 21. e- returns to original level
- 24. metal +nonmetal bonds, transfers e-
- 25. negitve charged ion
- 27. large nuclei splits to form smaller nuclei
- 28. how bad an atom wants to bond to e-
- 29. small to high energy on EM
- 31. amount matters observed or measured
- 32. size of atom
- 34. emits an e-, neutron becomes proton