Periodic Table Crossword

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Across
  1. 3. nonmetal with 8 neutrons
  2. 5. mass of 207 amu
  3. 9. mass of 27 amu
  4. 13. Alkali metal in Period 4
  5. 14. has 29 protons
  6. 15. halogen with 35 electrons
  7. 19. between manganese and cobalt
  8. 21. transition metal with 28 protons
  9. 22. Family 1, Period 2
  10. 23. has 16 protons
  11. 24. has 11 protons and 12 neutrons
Down
  1. 1. Family 4, Period 4
  2. 2. between mercury and platinum
  3. 4. Nobel gas with 2 neutrons
  4. 6. atomic number equals 17
  5. 7. has 15 protons and 16 neutrons
  6. 8. transition metal with 35 neutrons
  7. 10. has 6 protons
  8. 11. Atomic number equals 12
  9. 12. has only one electron
  10. 16. has 80 electrons
  11. 17. metalloid in period 3
  12. 18. Family 2, Period 4
  13. 20. nonmetal with 7 neutrons
  14. 23. mass of 108 amu