Carson's crossword puzzle

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Across
  1. 3. moves_atoms_closer
  2. 5. positive_charge
  3. 6. osmium
  4. 8. close_atoms
  5. 9. spred_atoms
  6. 10. property
  7. 12. a_mix_of_elements
  8. 14. everything
Down
  1. 1. a_mix
  2. 2. gold
  3. 4. Far_apart_atoms
  4. 5. property
  5. 7. negative_charge
  6. 11. size_and_density
  7. 13. building_blocks
  8. 14. land_m___