Find all the elements described!

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Across
  1. 3. I am represented by Cm, what element am I?
  2. 5. My chemical symbol is a P, who am I?
  3. 7. My chemical symbol is Yb.
  4. 8. People like to use me for jewelry and my average atomic mass is 196.967.
  5. 10. I have a mass of 11 and 6 neutrons, who am I?
  6. 12. I have 74 neutrons and a mass of 127, who am I?
  7. 13. My atomic number is 100 and I have a mass of 257!
  8. 14. I am represented by Pb, who am I?
  9. 16. I am represented by the chemical symbol, Na, who am I?
  10. 19. I have 38 protons, what element am I?
  11. 20. My atomic number is 9, who am I?
  12. 22. I have a mass of 35 and 18 neutrons, what element am I?
  13. 25. The symbol that represents me is Bh, who am I?
  14. 28. I am represented by an atomic number of 91, who am I?
  15. 29. I have 20 neutrons and 20 protons!
  16. 30. I have a chemical symbol, Fe.
  17. 32. I have 88 as my atomic number.
  18. 33. I have 65 positive particles in my nucleus!
  19. 34. I have the chemical symbol Og.
  20. 36. I have 8 of every subatomic particle, who am I?
  21. 37. I have 21 protons, who am I?
  22. 41. My chemical symbol is Sb.
  23. 46. My atomic number 68!
  24. 47. I have 33 electrons orbiting my nucleus, who am I?
  25. 48. I have 12 electrons, who am I?
  26. 50. I am very abundant on earth, my atomic number is 7.
  27. 52. My atomic number and mass number are the same… (1)!
  28. 55. My atomic number is 92.
  29. 56. I have 78 negative subatomic particles, who am I?
  30. 57. I have 14 neutrons and protons, who am I?
  31. 58. I am represented by the letter, K.
Down
  1. 1. I have 16 neutrons and the same number protons, who am I?
  2. 2. I have 104 protons.
  3. 4. I have 76 positive protons.
  4. 6. My chemical symbol is a W.
  5. 9. I have 112 protons, what element am I?
  6. 11. I have 22 electrons in my electron cloud!
  7. 15. I have a mass of 131 and 77 neutrons!
  8. 17. My average atomic mass is equal to 200.592
  9. 18. My atomic symbol is Pu, who am I?
  10. 21. I have 106 neutrons and 72 protons in my nucleus, what element am I?
  11. 23. I have 140 neutrons and a mass of 226, what element am I?
  12. 24. As a neutral atom I have 13 electrons.
  13. 25. My average atomic mass is 208.980, who am I?
  14. 26. I have 61 neutrons and 47 protons, who am I?
  15. 27. I have a mass of 52 and 29 Neutrons, who am I?
  16. 31. I have 25 electrons and 30 neutrons, who am I?
  17. 33. My chemical symbol is Sn!
  18. 35. I have 89 protons inside my nucleus.
  19. 38. I am represented by Cs, who am I?
  20. 39. My chemical symbol is Ba!
  21. 40. I have 29 electrons and I am a neutral atom, NOT an ion!
  22. 42. I am represented by Kr, what element am I?
  23. 43. I have 2 of every subatomic particle, who am I?
  24. 44. My mass is 281 and I have 171 neutrons, what element am I?
  25. 45. My chemical symbol is Li, what element am I?
  26. 49. My atomic number is 10, who am I?
  27. 51. I have a mass of 115 and 66 neutrons, what element am I?
  28. 53. I have 31 positive subatomic particles in my nucleus.
  29. 54. I have 35 neutrons and 30 protons, who am I?