Periodic table and atoms.

1234567891011121314
Across
  1. 3. the subatomic particle that has a negative charge.
  2. 4. The majority of the periodic table comprises of these
  3. 7. the rarest elementon the table
  4. 9. what happens when an atom splits.
  5. 11. A subatomic particle that has no charge
  6. 12. the highest numbered element on the periodic table
  7. 13. the center of an atom
  8. 14. outsidetsid of an atom where electrons subside
Down
  1. 1. the element with only one proton
  2. 2. the element on the far right side that do not mix
  3. 5. equal to the number of protons
  4. 6. the maker of the periodic table
  5. 7. a building block of matter
  6. 8. a positively charged subatomic particle
  7. 10. what protons and nutrons are to each other.