Chemistry

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Across
  1. 4. the water we drink
  2. 5. when a metal bonds with a non-metal
  3. 8. when an element may have different number of neutrons
  4. 10. the energy due to the movement of an object
  5. 13. when a metal bonds a metal
  6. 14. the name of a diagram with b starting letter
  7. 16. different form of an element in the same physical way
  8. 19. the deegrees in which a substance is
  9. 20. a state of matter which in particles move in the space they have to move
Down
  1. 1. the point when a substance boils
  2. 2. the name of a diagram with L starting letter
  3. 3. the bond between to metals
  4. 6. when a non-metal joins a non-metal
  5. 7. a cloud of electrons
  6. 9. the point when a substance melts
  7. 11. a state of matter in which particles move freely
  8. 12. a state of matter in which particles only vivrate
  9. 15. when two atoms are joined together
  10. 17. a strong structure that cause high MP and BP
  11. 18. the amount of matter in an object