CAPE Physics Unit 2 · 2008 (T&T) · Paper 1 · Question Q35
Item 35 refers to the following diagram which shows some of the electron energy levels in a hydrogen atom. What is the energy required to ionize a hydrogen atom?
- (A)
0.85\text{ eV} - (B)
10.2\text{ eV} - (C)
13.6\text{ eV} - (D)
19.9\text{ eV}
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