The Periodic Table

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12345678910111213141516171819202122232425
Across
  1. 2. has a mass of 10
  2. 5. has an atomic number of 8
  3. 6. has a mass of 14
  4. 9. the symbol for Cadmium
  5. 11. has 14 protons and 14 neutrons
  6. 14. has a mass of 73 and 41 neutrons
  7. 16. the first element on the periodic table
  8. 17. has 29 electrons
  9. 18. the symbol for Helium
  10. 20. has 16 electrons and 16 neutrons
  11. 21. has 36 electrons
  12. 22. has the symbol Au
  13. 23. has 100 protons
  14. 25. has the symbol Sn
Down
  1. 1. has 32 neutrons and a mass of 59
  2. 3. has 125 neutrons and a mass of 209
  3. 4. has 121 neutrons and a mass of 201
  4. 7. has a mass of 209 and 126 neutrons
  5. 8. has 42 electrons
  6. 10. has an atomic number of 54
  7. 12. has an atomic number of 118
  8. 13. has the symbol Rn
  9. 15. the symbol for Neon
  10. 19. has the symbol W
  11. 24. has 26 protons