| 11. | This shuffling of holes effectively moves a positive charge to the negative contact.
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| 12. | The net positive charges in Pi2 and Pi3 are 7 and 6 respectively.
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| 13. | This occurs because the positive charge can be delocalized onto both nitrogen atoms.
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| 14. | Field lines begin on positive charge and terminate on negative charge.
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| 15. | Ion thrusters emit a beam of positive charged xenon ions only.
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| 16. | Oxygen possesses a partially negative charge while hydrogen has a partially positive charge.
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| 17. | Positrons have positive charge, and so could not be bound in an atom.
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| 18. | Surface dangling orbitals are localized and carry a slight negative or positive charge.
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| 19. | The positive charge is neutralized by the negative charge on the chloride ion.
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| 20. | "It is a polymer with permanent positive charge, " said Tiller.
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