| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ2.27 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
The reaction p+ + n0 → p+ + \(\pi \)0 does not occur because it violates the conservation law of
A. electric charge.
B. baryon number.
C. lepton number.
D. strangeness.
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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