chapter11

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Across
  1. 2. not chemically combined
  2. 4. mixture: not evenly mixed
  3. 6. center of an atom that contains protons and neutrons
  4. 8. amount of space an object takes up
  5. 11. chemically combined
  6. 12. neutral charged subatomic particle
  7. 13. pure substance made of two or more different elements that
  8. 15. amount of matter in an object
Down
  1. 1. mixture: evenly mixed
  2. 3. positively charged subatomic particle
  3. 5. negative charged subatomic particle
  4. 7. pure substance made of only one kind of atom
  5. 9. cloud: area outside of an atom’s nucleus that contains electrons
  6. 10. composed of two or more different elements or compounds that
  7. 11. building blocks of matter that make up everything
  8. 14. anything that has mass and takes up space