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Edexcel A-Level Physics A2 4.5.111 Nucleon Number and Proton Number Questions

Practise Edexcel A-Level Physics nucleon and proton number by interpreting isotope notation and calculating neutron counts.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
A2

Exam points

  • interpret isotope symbols to find proton, neutron and nucleon numbers for nuclei

Edexcel A-Level Physics A2 4.5.111 Nucleon Number and Proton Number Questions question 1

[Maximum number: 1]

Which of the following is the number of neutrons in a nucleus of 51121Sb{ }_{51}^{121} \mathrm{Sb} ?

A

51

B

70

C

121

D

172

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