Periodic Table Crossword

1234567891011121314151617181920212223
Across
  1. 5. Family 1, Period 2
  2. 6. Alkali metal in Period 4
  3. 8. between manganese and cobalt
  4. 9. nonmetal with 7 neutrons
  5. 13. Nobel gas with 2 neutrons
  6. 14. mass of 207 amu
  7. 15. has 29 protons
  8. 18. Atomic number equals 12
  9. 20. metalloid in period 3
  10. 21. has 6 protons
  11. 22. has only one electron
  12. 23. has 80 electrons
Down
  1. 1. halogen with 35 electrons
  2. 2. mass of 27 amu
  3. 3. atomic number equals 17
  4. 4. Family 4, Period 4
  5. 7. mass of 108 amu
  6. 10. between mercury and platinum
  7. 11. transition metal with 35 neutrons
  8. 12. has 16 protons
  9. 16. nonmetal with 8 neutrons
  10. 17. has 15 protons and 16 neutrons
  11. 19. transition metal with 28 protons
  12. 20. has 11 protons and 12 neutrons
  13. 21. Family 2, Period 4