Chemistry 0620 · IGCSE · Noble gases

Noble gases — practice question

Which row matches an atom of a noble gas?

  • Anumber of protons 2, number of neutrons 2, number of electrons 0
  • Bnumber of protons 2, number of neutrons 2, number of electrons 2
  • Cnumber of protons 8, number of neutrons 8, number of electrons 8
  • Dnumber of protons 8, number of neutrons 8, number of electrons 10

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