Elements, Ions and the Periodic table

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Across
  1. 2. The name of an element is shortened to this "atomic-
  2. 3. Ion great for your teeth they say
  3. 6. Burnt wood will leave this behind
  4. 7. Very light gas that is used to fill balloons
  5. 9. Charge of an ion that loses electrons
  6. 10. Neutrally charged particle in the atom's nucleus
  7. 11. General name for atoms on the left of the periodic table
  8. 12. The name of the rows in a periodic table
  9. 14. The general name of the columns in a periodic table
  10. 16. The lightest element
  11. 17. Charge of an ion that gains electrons
Down
  1. 1. Name of the scientist that models electrons in rings around an atom
  2. 4. Negative particles surrounding the nucleus
  3. 5. The name of an atom that loses or gains electrons
  4. 6. Smells like the swimming pool
  5. 8. Not quite metals!
  6. 10. Element essential for plants and fills the air
  7. 13. Gas that is required for us to respire
  8. 15. Positively charged particle in an atom's nucleus