Atomic Structure Crossword Puzzle

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Across
  1. 6. c=3.00 x 10^8 m/s
  2. 7. the d section of the period table starts in this row
  3. 10. higher frequency, shorter _________
  4. 11. valence electrons are normally at the _____ _____
  5. 14. color with the lowest frequency
  6. 18. protons, electrons, and neutrons.
  7. 22. arrangement of chemical elements according to atomic number
  8. 23. the noble gas in the second row of the periodic table
  9. 25. composite particles consisting of two protons and two neutrons tightly bound together
  10. 29. should be practiced in class during experiments at all times
  11. 30. the element Kr in the periodic table
  12. 31. the 69th element in the periodic table
  13. 32. number of protons and neutrons in an atom.
  14. 35. atoms with an ion charge
  15. 37. this element makes your bones stronger and helps you grow
  16. 38. atoms absorb _____ and become excited
  17. 39. color with the highest frequency
  18. 42. known as the father of nuclear physics and was recognized for the experiment with gold foil
  19. 43. bonus! miss tran's username in call of duty
  20. 44. minimum amount of energy that can be gained or lost by an atom
Down
  1. 1. has a positive charge; center of the atom; contains protons and neutrons
  2. 2. list of colors in order of frequency
  3. 3. negatively charged subatomic particle found outside of the nucleus in energy levels
  4. 4. smallest part of matter
  5. 5. number of protons in the nucleus of an atom.
  6. 8. neutrally charged subatomic particle. Found inside the nucleus of the atom.
  7. 9. energy equals (______constant)(frequency)
  8. 12. an atom that has an equal number of protons and electrons
  9. 13. the america element
  10. 15. each elements ___ is unique and can be used to identify it
  11. 16. the visible spectrum spans the wavelength region from 400 to 700 _________
  12. 17. the element in the periodic table that shares the same initials as Louis Vuitton
  13. 19. an atom that has an unequal number of protons and electrons is called an ___
  14. 20. the element named after a university in california
  15. 21. the amount of energy exerted when a force of one newton is applied over a displacement of one meter
  16. 24. all of the atoms that have a given number of protons
  17. 26. an element used to inflate balloons
  18. 27. the element that says yes in spanish
  19. 28. the potato element
  20. 33. the thirteenth element in the periodic table
  21. 34. the electromagnetic ________
  22. 36. this element's initials support LGBTQ+
  23. 37. the element named after the state we live in
  24. 40. unit of frequency at one cycle per second
  25. 41. positively charged subatomic particle found in the nucleus of the atom.
  26. 45. the average weight of all of an element's isotopes' mass numbers, usually a decimal