Physics 5054 · O Level · The nucleus

The nucleus — practice question

An isotope of cobalt is shown by the notation $^{59}_{27}\text{Co}$. What particles are present in this nucleus?

  • A27 protons and 32 neutrons
  • B27 protons and 59 neutrons
  • C59 protons and 27 neutrons
  • D59 protons and 32 neutrons

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