Qxi.xli
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Hi I just had some doubts about this topic and was wondering if anyone could clarify for me?
1. In my notes it says that if E of e-< Ionisation energy, excitation will happen. If E> IE, ionisation happens.
So what would happen if E = IE?

I thought I had more but I can't remember my other questions lol.- If I remember ill add them on.
Thanks
Last edited by Qxi.xli; 3 weeks ago
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Qxi.xli
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2. ' An electron can absorb a photon and move to a higher energy level where a vacancy exists', but what if there is no vacancy and the atom has a full outer shell or something?
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lordaxil
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If E = IE, then ionisation would still occur provided there were no other losses in system. In practice, they are very unlikely to be exactly equal.

If there are no vacant states with higher energy for the electron to move to, then the transition is forbidden.
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Qxi.xli
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(Original post by lordaxil)
If E = IE, then ionisation would still occur provided there were no other losses in system. In practice, they are very unlikely to be exactly equal.

If there are no vacant states with higher energy for the electron to move to, then the transition is forbidden.
Thank you!
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