Classifying Matter

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Across
  1. 2. is a type of substance containing atoms of two or more different elements chemically bonded together
  2. 6. the combination of symbols and numbers that represent compound
  3. 8. a type of mixture in which the individual substances are not evenly mixed
  4. 13. is a matter with a composition that is always the same
  5. 15. matter that can vary in composition
  6. 16. a type of mixture in with the individual substances are evenly mixed
  7. 18. is a compound composed of carbon and oxygen atoms
  8. 19. a small particle that's a building block of matter'
  9. 20. to form a solution by mixing evenly
Down
  1. 1. has 5 protons
  2. 3. has 8 protons
  3. 4. Think again about the elements carbon and oxygen
  4. 5. make up neutrons
  5. 7. are between metals and nonmetals
  6. 9. is a substance that consists of just one type of atom
  7. 10. Anything that has mass and takes up space
  8. 11. The atoms of elements exist in what groups
  9. 12. elements consist of only one type of atom
  10. 14. are right on the periodic table
  11. 17. is always made-up type of atoms