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6.1 Atomic structure and isotopes

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Question 28

Iron-59 is a radioactive isotope of iron used in medicine to study iron metabolism.

The symbol representing a nucleus of iron-59 is shown below:

2659Fe {}_{26}^{59}\text{Fe} 2659​Fe

Match each type of particle to the correct number of particles in a nucleus of iron-59.

Type of particle

  • Proton
  • Neutron
  • Nucleon

Number of particles

  • 26
  • 33
  • 59
  • 85
[3]
Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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