VOCABULARY IN PHYSICAL SCIENCE

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Across
  1. 2. Element with symbol K
  2. 7. change from gas to liquid
  3. 9. Type of material that don't allow the electrons to flow
  4. 14. Neutral particle of the atom
  5. 16. Positively charged particle
  6. 17. change from solid to gas.
  7. 18. Anything made up of two or more different substances.
  8. 19. Atom with negative charge
  9. 20. change from solid to liquid
  10. 21. type of mixtures that doesn't have a uniform composition
Down
  1. 1. change from liquid to gas.
  2. 3. Atom with positive charge
  3. 4. Negatively charged particle
  4. 5. Type of materials that allow the electrons to flow
  5. 6. type of mixture that has a uniform composition
  6. 8. Characteristic number for each element that represents the number of protons
  7. 10. change from liquid to solid.
  8. 11. change from gas to solid.
  9. 12. Element with atomic number 36
  10. 13. Atom of the same element with the same number of protons but different number of neutrons
  11. 15. Flow of electrons