Science on Crack

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Across
  1. 5. substances that are usually dull, not shiny
  2. 9. describes liquids that can be mixed
  3. 10. grid-like structures of atoms
  4. 12. the smallest building blocks of matter
  5. 14. easily crumbled or shattered
  6. 18. clusters of atoms
  7. 19. a mixture in which one substance dissolved
  8. 20. describes elements that consist of one atom
  9. 22. substances made up of only one type of atom
Down
  1. 1. describes liquids that do not mix
  2. 2. a substance being dissolved
  3. 3. with two or more types of atoms
  4. 4. shiny
  5. 6. a substance that dissolves another substance
  6. 7. able to be hammered or bent into new shapes
  7. 8. the characteristics
  8. 11. any of two or more elements and compounds
  9. 13. substances that have a metallic shine
  10. 15. substances made of lattices or identical
  11. 16. able to be stretched to form a wire
  12. 17. table: a table that shows the known elements
  13. 21. a substance