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IB Physics HL E.3.1 Isotopes Question Bank

Practise IB Physics SL/HL E.3.1 by applying isotopes concepts to exam-style physics questions.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • identify the relevant physical quantity, model or diagram
  • apply the correct equation and units to the evidence
  • justify the result using conservation laws, fields or energy relationships

E.3.1—Isotopes question 1

[Maximum number: 2]

The binding energy of the stable nuclide 54131Xe{ }_{54}^{131} \mathrm{Xe} is 1.105 GeV .

54133Xe\quad{ }_{54}^{133} \mathrm{Xe} and 54131Xe{ }_{54}^{131} \mathrm{Xe} are two isotopes of xenon.

Outline what is meant by isotopes.

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