IB Physics HL E 3 1 Isotopes Questions

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

Exam points

Analyse evidence for isotopes from nuclear masses and mass spectrometry.
Distinguish isotopes by proton and neutron numbers and explain shared chemical properties.
Apply isotope concepts to uranium and Bainbridge mass-spectrometer contexts.

[Maximum number: 2]

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

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

Outline what is meant by isotopes.

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