Across
- 1. Light of 530 nm could be seen as
- 3. Rutherford used ... particles in his gold foil experiment
- 7. Light at a certain frequency causes metals to...their electrons
- 11. E=hv is what formula?
- 14. A sub-atomic particle with a positive charge
- 18. What determines the frequency of photons
- 19. The minimum amount of energy that can be gained or lost by an atom
- 20. An atom with more or fewer electrons than protons is an
- 22. A sub-atomic particle with a negative charge
- 24. The number of protons is referred to as the...
- 26. Atoms with a negative charge are called
- 29. Everything is made up of
- 30. The wavelength region from about 400nm to 700nm
- 31. Rutherford's gold foil experiment proved which model wrong?
- 33. The effect when light hits a material, causing the emission of electrons
- 39. Energy is typically measured in
- 40. Atoms with the same number of protons, but a different number of neutrons
- 41. AES is an acronym for
- 42. The acronym for the visible spectrum of light
- 43. In the full atomic symbol, the left super-script is the
- 44. True or False? The isotope of an element matters when it comes to determining the charge
- 45. All...waves, including visible light, travel at the speed of 3.00/10^8 m/s in a vacuum
Down
- 2. atoms are mostly
- 4. Light of 400nm is seen as
- 5. Frequency and wavelengths are...
- 6. ν is the symbol for
- 8. Frequency is typically measured in
- 9. When atoms absorb energy, they become...
- 10. Light of 6 × 10^-7m could be seen as
- 12. A tiny object made entirely of protons and neutrons
- 13. Wavelength is typically measured in
- 15. The innermost shell of electrons surrounding a nucleus
- 16. If an atom is unbalanced, then it is
- 17. When atoms emit energy, they move to their...state
- 21. A sub-atomic particle with a neutral charge
- 23. Electrons on the outer shell of an atom
- 25. Atoms with different numbers of protons are different..
- 27. c = 3.00 x 10^8 m/s is the speed...
- 28. If an atom has a neutral charge and contain nine protons, how many electrons are there?
- 29. What is represented by the letter A
- 32. Light of 700nm is seen as
- 34. This element has only one proton
- 35. Atoms with a positive charge are called
- 36. Light of 580 nm could be seen as
- 37. A unique single upper-case letter or upper-case plus one lower-case letter symbol
- 38. In the full atomic symbol, the right super-script is the