CAIE IGCSE Physics 5.1.2.4 Nuclide Notation a Zx Questions

Learn to construct and interpret nuclide notation for elements and isotopes.

Exam points

write nuclide notation from proton number and nucleon number
identify proton and nucleon numbers from a nuclide symbol
construct isotope symbols using element symbols and neutron or proton data

[Maximum number: 1]

The radioactive isotope iodine-131 is used as a tracer in medical diagnosis. A nucleus of iodine-131 contains 53 protons and 78 neutrons. The symbol for iodine is I .

Use nuclide notation to show this isotope of iodine.

131

$53{ }^{\text {I }}$

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CAIE IGCSE Physics 5.1.2.4 Nuclide Notation a Zx Questions question 1