| 1. | For zinc, the 3d subshell is complete and behaves similarly to core electrons.
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| 2. | Non-resonant excitation occurs when the incoming radiation promotes a core electron to the continuum.
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| 3. | Pseudopotentials replace the atomic nucleus and the core electrons by an effective numeric potential.
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| 4. | In resonant excitation, the core electron is promoted to a bound state in the conduction band.
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| 5. | The excitation of core electrons is possible, but requires much higher energies, generally corresponding to x-ray photons.
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| 6. | A core electron can be removed from its core-level upon absorption of electromagnetic radiation ( X-ray ).
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| 7. | This is followed by a cascade of electron relaxation as the core electron hole moves toward the valence orbitals.
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| 8. | The resulting atom will have an empty space in the core electron shell, often referred to as a core-hole.
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| 9. | The effect always competes with a diamagnetic response of opposite sign due to all the core electrons of the atoms.
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| 10. | If a core electron is missing, a positive ion can autoionize further and lose a second electron in the Auger effect.
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