Crossword Puzzle Review for Atomic Structure

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Across
  1. 5. we converted ___ to meters; 1m=10^9_
  2. 6. forces are unbalanced; excess amount of protons or neutrons
  3. 8. the end statement of all the data and facts
  4. 11. specific element in the Periodic Table of Elements
  5. 12. a unique upper-case letter followed by a lower-case letter
  6. 15. negative charge
  7. 18. consist of wavelength and frequency
  8. 20. positive charge
  9. 22. a tiny object made entirely of protons and neutrons
  10. 23. number of protons+neutrons add up to make the ____
  11. 24. when a substance is heated in a flame, the atoms __ energy from the flame
  12. 25. the ____ of protons, neutrons, and electrons
  13. 26. a straight line that passes through the center of a circle is _____
  14. 28. An electron makes a ____ from a higher energy level to a lower energy level
  15. 30. heat source used to heat substances
  16. 31. The energy emitted determines the frequency of ____
  17. 33. Atoms are mostly ____
  18. 35. depends on the number of protons, neutrons, and electrons
  19. 37. facts and statistics collected together for reference or analysis
  20. 40. atoms with different numbers of protons are different _____
  21. 41. neutral charge
  22. 42. State the electrons move from their excited state to an ____ state
  23. 44. amplitude, ______, crest, trough
Down
  1. 1. waves per second
  2. 2. electrons are usually at ground state (lowest energy possible)
  3. 3. minimum amount of energy that can be gained or loss by an atom
  4. 4. atoms with a negative charge have more electrons than protons are ____
  5. 7. Below a certain frequency, no electrons will eject no matter the ____ of the light
  6. 9. atoms with a positive charge have fewer electrons than protons are ____
  7. 10. an atom that has gained or lost one or more electrons; has a net electricalcharge
  8. 11. a solid 3D round figure that never stays flat
  9. 13. When a substance is heated, ____ can be used to determine color
  10. 14. We _____ marbles in the goil foil experiment to represent atoms
  11. 16. Atoms are made up of ____ particles
  12. 17. number of electrons in an element
  13. 19. Atoms can absorb energy and become ____
  14. 21. the first shell that can hold electrons
  15. 27. neither positive nor negative
  16. 29. atoms with the same number of protons but different numbers of neutrons
  17. 32. made up of protons and neutrons; marbles represented ______
  18. 34. Everything is made up of ____!
  19. 36. light _____=(wavelength)x(frequency)
  20. 38. %____=I measured-accepted/accepted I x 100
  21. 39. has a net charge of 0
  22. 43. Each element's AES is ____ and can be used to identify it