Chemistry key terms

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Across
  1. 6. when a substance dissolves in other substance
  2. 7. a liquid that evaporates easily
  3. 8. the mixture of solute and solvent
  4. 11. the central region of an atom that is made up of proton and neutron
  5. 14. the process by which different fluids mix as a result of random motion
  6. 15. the smallest particle
  7. 17. a gas or a liquid, they are able to flow
  8. 18. a substance that does not dissolve in a particular solvent
  9. 19. state the points of topic / give characteristics and main features
Down
  1. 1. a process occurring at the surface of the liquid involving change of state
  2. 2. atoms of same element with same atomic number but different atomic mass
  3. 3. a homogeneous mixture of metals
  4. 4. a measure of how much solute is dissolved in a solvent to make a solution
  5. 5. a regular three-dimensional arrangement of atoms
  6. 6. a mixture containing small particles of an insoluble solid or droplets of an insoluble liquid ,spread throughout a liquid
  7. 9. the horizontal row of the periodic table that an element is
  8. 10. a unglazed pot that has channels through which gases can pass
  9. 12. a substance formed by the chemical combination of two or more elements
  10. 13. if two liquids form a completely uniform mixture
  11. 16. when same atoms are combined together