Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Which row shows the numbers of electrons, neutrons and protons in a particle that is an isotope of $^{11}_{5}\text{B}$?

  • Aelectrons 5, neutrons 5, protons 5
  • Belectrons 5, neutrons 6, protons 5
  • Celectrons 6, neutrons 5, protons 6
  • Delectrons 6, neutrons 6, protons 6

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