MATTER

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Across
  1. 1. It is the condition of being a base.
  2. 6. technique used to separate out homogenous mixtures where there is one or more dissolved solids.
  3. 8. - describes how a mineral's surface and structure interact with light.
  4. 9. separation process which uses the action of centrifugal force
  5. 11. - It is the ability of matter to stretch under stress.
  6. 15. how much mass there is in a given volume or amount of space
  7. 16. act of emitting radiation spontaneously.
  8. 18. ductile, malleable, good conductors of heat and electricity and have metallic luster.
  9. 20. involves separating a dense, insoluble substance from a heterogeneous mixture.
Down
  1. 2. consists of atoms of two or more elements always chemically combined in the same proportion.
  2. 3. a measure of its ability to withstand being scratched, cut or dented
  3. 4. ability of matter to be bent or hammered into thin sheets without falling into pieces
  4. 5. two or more different substances are physically mixed, but not chemically combined.
  5. 7. consist of fine particles of one substance finely dispersed in another.
  6. 10. describes the amount of acid in a substance.
  7. 12. the quality of being hot. Substances respond to heating in different ways.
  8. 13. degree to which a chemical substance can damage a living organism.
  9. 14. feature of an object that can be described by its hue, saturation, and lightness.
  10. 17. have no definite shape or volume.
  11. 19. involves separating a mixture based on different sizes of components.