science vocab

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Across
  1. 2. The ___ circuit has more that one path for electricity to flow.
  2. 4. An ___ is a charged atom or molecule.
  3. 5. atomic ___
  4. 6. the chemical ___ of an element.
  5. 9. ___ energy depends on the number of particles.
  6. 10. amount of space the object takes.
  7. 13. all matter consist of ___.
  8. 16. the atom has the number of ___ based in the period.
  9. 17. negative charge.
  10. 18. positive charge.
  11. 19. force applied in something for it to move.
Down
  1. 1. the transfer of heat by electromagnetic waves.
  2. 3. measure atmospheric pressure.
  3. 4. Is when the nucleus is really unbalanced.
  4. 7. ___ are the vertical lines.
  5. 8. element six of the periodic table.
  6. 11. the atom becomes __ if it has to many or to few neutrons.
  7. 12. consentration of a force.
  8. 14. first element of the periodic table.
  9. 15. how an onject is from its size.
  10. 20. chemical symbol of sodium.