| Date | November 2011 | Marks available | 1 | Reference code | 11N.1.SL.TZO.22 |
| Level | Standard level | Paper | Paper 1 | Time zone | no time zone |
| Command term | Question number | 22 | Adapted from | N/A |
Question
A nucleus of the isotope plutonium-238 \(\left( {{}^{238}{\rm{P}}} \right)\) decays into a nucleus of uranium by emitting an alpha particle. What is the nucleon number of the uranium nucleus?
A. 234
B. 236
C. 238
D. 240
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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