Ionic Crossword

12345678910111213
Across
  1. 5. Different version of an element
  2. 7. Column of periodic table
  3. 8. Brittle
  4. 9. Negatively charged subatomic particle
  5. 10. Relating to ions
  6. 11. 3rd element in group 1
  7. 13. Repeating 3d arrangement of atoms
Down
  1. 1. The outermost electron shell
  2. 2. Positively charged ion
  3. 3. The central mass of an atom
  4. 4. Row of periodic table
  5. 6. Negatively charged ion
  6. 12. High melting points