CF1

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Across
  1. 3. Material made of only one type of particle
  2. 7. Combination of substances not chemically bonded
  3. 9. Uniform throughout
  4. 11. Force exerted by gravity on an object
  5. 12. Characteristic used to describe matter
  6. 13. Ability to undergo a chemical change
  7. 15. Mass per unit volume
Down
  1. 1. Characteristic observed without changing identity
  2. 2. Nonuniform composition
  3. 4. Matter with a uniform composition
  4. 5. Amount of space occupied by matter
  5. 6. Property that depends on amount present
  6. 8. Property independent of sample size
  7. 10. Anything that has mass and occupies space
  8. 14. Amount of matter in an object