Chemical and physcial properties

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Across
  1. 2. the quality of an object or substance with respect to light reflected by the object
  2. 7. the ability of a material to conduct heat from its one side to the other
  3. 9. a person who is studying or has expert knowledge of one or more of the natural or physical sciences
  4. 10. the ability to be dissolved, especially in water
Down
  1. 1. a measure of how quickly a specific material is capable of catching fire and burning
  2. 3. the quality of being toxic or poisonous
  3. 4. a measure of the ability of the material to conduct an electrical current
  4. 5. a characteristic of matter that is not associated with a change in its chemical composition
  5. 6. a specific characteristics of a substance like an element or a compound, relating to how it can change as a result of a reaction
  6. 8. lose or cause to lose luster, especially as a result of exposure to air or moisture