Elements of The Periodic Table

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Across
  1. 2. How many valence electrons does boron have?
  2. 4. This element has an atomic mass of 1.
  3. 5. Atomic number is 14.
  4. 6. A gas that makes your voice sound high pitched.
  5. 9. A disinfectant used in pools.
  6. 11. Has a distinct egg smell.
  7. 13. Has an atomic number of 3.
  8. 14. Electronic configuration:K(2,8,8,1)
  9. 16. The element found in all living things.
  10. 18. Electronic configuration: Mg(2,8,2)
  11. 19. Has an atomic number of 13.
Down
  1. 1. Atomic symbol is N
  2. 3. The atomic symbol is P
  3. 7. The number of valence electrons in oxygen.
  4. 8. The electronic configuration is Be(2,2)
  5. 9. This element strengthens bones and teeth.
  6. 10. This element has 7 valence electrons.
  7. 12. The atomic symbol is Na
  8. 15. Electronic configuration:Ar(2,8,8)
  9. 17. This element has eight valence electrons.