| 21. | The unpaired electron is located at the opposite end to the hydrogen atom, as indicated.
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| 22. | Unlike NO 2, N 2 O 4 is diamagnetic since it has no unpaired electrons.
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| 23. | These states arise from the spins of their unpaired electrons, not their protons or nuclei.
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| 24. | For molecules it signifies that there are unpaired electrons.
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| 25. | This gives bond order two and no unpaired electrons.
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| 26. | It's a radical ion and has one unpaired electron.
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| 27. | Nitric oxide, NO, is a special case as the molecule is paramagnetic, with one unpaired electron.
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| 28. | Since different nuclei with unpaired electrons respond to different wavelengths, radio frequencies are required at times.
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| 29. | Here there are six unpaired electrons all of parallel spin for a 7 S ground state.
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| 30. | The most stable examples of unpaired electrons are found on the atoms and ions of lanthanides.
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