O-LevelPhysicsNuclear Physics5054/11 · Oct/Nov 2017 · Q381 Mark

A nucleus of phosphorus ³²₁₅P emits a beta-particle to form a new nucleus. What is the nucleon number and what is the proton number of the new nucleus?

Anucleon number (mass number): 28, proton number (atomic number): 13

Bnucleon number (mass number): 31, proton number (atomic number): 14

Cnucleon number (mass number): 31, proton number (atomic number): 15

Dnucleon number (mass number): 32, proton number (atomic number): 16

✓ Correct answer

D: nucleon number (mass number): 32, proton number (atomic number): 16

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2017 Paper 1 Variant 1, question 38.

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