| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.SL.TZ2.22 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 22 | Adapted from | N/A |
Question
Which of the following provides evidence for the existence of atomic energy levels?
A. Absorption spectra
B. Nuclear fission
C. The Geiger–Marsden experiment
D. Radioactive decay
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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