Exam-style question
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What is the result of an electron collision that provides enough energy to remove an electron from an atom?.
- A.Excitation
- B.Ionisation
- C.Photon emission
- D.Energy transfer
Model answer
What a good answer should say
- Ionisation
Explanation
Why this works
When an electron collision provides sufficient energy to overcome the binding energy of an electron in an atom, it results in ionisation, where the electron is completely removed from the atom.
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