Chemistry Project

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Across
  1. 3. Atomic symbol Na, Atomic number 11, atomic mass 23
  2. 5. Atomic symbol P, Atomic number 15, atomic mass 31
  3. 7. Atomic symbol Ni, Atomic number 7, Atomic mass 14
  4. 9. Atomic symbol F, Atomic number 9, Atomic mass 19
  5. 11. Atomic symbol Si, Atomic number 14, atomic mass 28
  6. 14. Atomic symbol B, Atomic number 5, Atomic mass 11
  7. 16. Atomic symbol Ar, Atomic number 18, Atomic mass 40
  8. 17. Atomic Symbol Li, Atomic number 3, Atomic mass 7
  9. 18. Atomic symbol 13, Atomic number 13, atomic mass 27
  10. 19. Atomic symbol He, Atomic number 2, atomic mass 4
  11. 20. Atomic symbol S, Atomic number 16, Atomic mass 32
Down
  1. 1. Atomic Symbol Mg, Atomic number 12, Atomic mass 24
  2. 2. Atomic symbol H, Atomic number 1, Atomic mass 1
  3. 4. Atomic symbol Ne, Atomic number 10, atomic mass 20
  4. 6. Atomic symbol C, Atomic number 6,Atomic mass 12
  5. 8. Atomic symbol O, Atomic number 8, Atomic mass 16
  6. 10. Atomic Symbol Cl, Atomic Number 17, Atomic Mass 35
  7. 12. Atomic symbol Cl, Atomic number 17, Atomic mass 35
  8. 13. Atomic symbol Na, Atomic Number 11, Atomic Mass 23
  9. 15. Atomic Symbol K, Atomic Number 19, Atomic mass 39