IB Physics SL E 3 1 Isotopes Questions

Identify SL isotopes from proton and nucleon numbers, using nuclear-mass evidence and decay changes to compare related nuclei.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • Define nuclides and isotopes using proton and neutron numbers.
  • Explain how mass spectra and nuclear properties provide evidence for isotopes.
  • Relate isotope composition to chemical properties and nuclear applications.

IB Physics SL E 3 1 Isotopes Questions question 1

[Maximum number: 1]

The isotope tritium (hydrogen-3) has a radioactive half-life of 12 days.

State what is meant by the term isotope.

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