Across
- 3. in the flame test, what type of variable is the metal ions in the salts?
- 4. protons in boron
- 7. atoms absorb energy and become _____
- 9. tiny object made up of protons and neutrons
- 10. quantum mechanical model of the atom provides _______ of finding an electron at a certain point
- 12. 3.00x10^8
- 14. wavelength is 6.00x10^-5m, what type of electromagnetic radiation
- 17. acronym that represents the order of energy
- 19. sub-atomic particle with positive charge
- 20. atoms with a negative charge
- 22. has 21 protons
- 23. minimum amount of energy that can be gained or lost by an atom
- 24. unit of energy
- 25. atomic mass of 16
- 26. what types of particles are atoms made up of?
- 27. atomic symbol of tin
- 28. speed of light = ____ x frequency
- 29. performed gold foil experiment
- 31. 400-700m of the wavelength region
- 32. first element
- 33. light of 400nm is seen as
- 35. atoms with different amounts of protons
- 38. atom that has gained or lost one or more electrons
- 40. neutrons in calcium
- 42. 6.626x10^-34 Js
- 43. sub-atomic particle with negative charge
- 44. atoms are mostly _____ _____
Down
- 1. same number as number of protons
- 2. # of protons in copper
- 5. element symbol Np
- 6. higher energy colors correspond with higher
- 8. atoms with a positive charge
- 9. sub-atomic particle with 0 charge
- 11. element with atomic mass of 65
- 13. used to find probability of finding an electron
- 15. # of protons + # of neutrons
- 16. atom has same amount of protons and electrons
- 18. shorter wavelength makes higher _______
- 21. light at a certain frequency causes metals to eject electrons
- 30. frequency and wavelength are inversely ______
- 34. light of 700nm is seen as
- 36. hv=
- 37. emitted when an electron drops to ground state
- 39. atom with same amount of protons but different amount of neutrons
- 41. everything is made up of ____; made up of subatomic particles