Exam-style question
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Describe the process of excitation in atoms when electrons collide with them.
Model answer
What a good answer should say
- Excitation occurs when an incoming electron collides with an atom and transfers enough energy to elevate one of the atom's electrons to a higher energy level without removing it from the atom.
- This process is characterized by the absorption of a specific amount of energy that matches the energy difference between the two levels.
Explanation
Why this works
This answer effectively describes the excitation process, showing the relationship between electron collisions and energy levels in atoms. It tests the student's comprehension of atomic interactions and energy transfer.
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