periodic table puzzle- Haylie cole

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Across
  1. 3. has the atomic wieght of 118.71.
  2. 5. a semimetallic,lustrous,crystaline,brittle silver-white element.
  3. 8. has 54 protons.
  4. 11. has the atomic number of 21.
  5. 13. has the atomic weight of 88.91.
  6. 14. has the atomic symbol of Ra.
  7. 16. has the atomic symbol of Sg.
  8. 17. is in group 14 period 4.
  9. 20. has 35 neutrons.
  10. 21. has the atomic number of 1.
  11. 22. has 8 neutrons.
  12. 23. has the chemical symbol of Mc.
  13. 24. in period 15 period 4.
Down
  1. 1. named after physicist Ernest Rutherford.
  2. 2. a soft,malleable metal with a brilliant lustre.
  3. 4. is a colorless and odorless tasteless monatomic element and the first in the noble gases.
  4. 6. has the atomic weight of 106.42.
  5. 7. has 20 neutrons.
  6. 9. in group 5 period 6.
  7. 10. has the chemical symbol of Br.
  8. 12. is in is in group 10 period 7.
  9. 15. has 48 neutrons.
  10. 18. has the atomic number of 10.
  11. 19. is in group 18 period 7.