Mixture and Solution

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Across
  1. 2. any group of elements that conducts heat and electricity has a shiny luster and is flexible
  2. 4. anything that has mass and takes up space
  3. 6. the mass of an object divided by its volume
  4. 12. the center of an atom that has most of its mass
  5. 13. a particle in the nucleus an atom that carries one unit of positive electric charge
  6. 14. how hot or cold something is
  7. 16. a particle in the nucleus of an atom that has no electric charge
  8. 17. the process of changing directly from a solid to a gas
  9. 18. when a solid substance is no longer visible
  10. 20. a substance that is dissolved by another substance to form a solution
Down
  1. 1. a measure of how gravity pulls on an object
  2. 3. when 2 substances go together but can return to it original substances
  3. 5. when particles leave a liquid and become a gas
  4. 7. a particle in the space outside the nucleus of an atom that carries out one unit of negative charge
  5. 8. a type of mixture in which the particles of one material are scattered through another and block the passage of light without settling out
  6. 9. a mixture with 2 substances and cant return to its original substances
  7. 10. the amount of matter in a solid liquid or gas
  8. 11. the smallest unit that make up matter
  9. 15. the smallest unit of matter
  10. 19. the amount of space an object takes up