Periodic trends crossword

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Across
  1. 1. Violent gases
  2. 4. In the outer energy level
  3. 6. The ability to attract otheer electrons
  4. 8. the size of an atom from the nucleus to the electron cloud
  5. 10. doesnt conduct electricity well
  6. 11. Vertical organization in periodic table
Down
  1. 2. nonreactive gases
  2. 3. Dull and soft
  3. 5. Horizontal organization on the periodic table
  4. 7. The energy required to turn an element into an ion
  5. 9. Group that has only one valence electron