idk

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Across
  1. 3. is a chemical element
  2. 5. atomic number is 7
  3. 9. symbols are Ne
  4. 10. is an essential mineral
  5. 11. has 114 protons
  6. 12. is in the human body
  7. 13. is silver white metal
  8. 14. is in the second group of the periodic table
Down
  1. 1. is water
  2. 2. is a noble gas
  3. 4. is on the 4 period in the periodic table
  4. 6. is part or the alkali metal group
  5. 7. is the most non reactive metal
  6. 8. symbol is B
  7. 15. has an atomic mass of 55.933