chapter 1 crossword

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Across
  1. 4. combination of symbols and numbers
  2. 5. an element that consists of only one atom
  3. 8. is a type of mixtures are evenly mixed
  4. 9. a table with 118 different elements
  5. 16. induvial substance arent evenly mixed.
  6. 17. a group of atoms held together
  7. 18. matter with a composition that is always the same
  8. 19. two or more elements combined together with 3 or more atoms
  9. 20. an element that consists of two or more atoms
Down
  1. 1. only has one
  2. 2. an outermost electron
  3. 3. a liquid mixture in which the minor component is uniformly distributed within the major component
  4. 6. matter that can vary in composition
  5. 7. something that takes up space
  6. 10. an atom that lost electrically neutral because it gained or lost valence electrons
  7. 11. to form a solution by mixing evenly
  8. 12. a model that represents valence electrons in an atom
  9. 13. two or more elements mixed together
  10. 14. something that holds two or more atoms together
  11. 15. a small particle