Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

An element named Q has 4 electrons in its outer shell and 69 neutrons, and it conducts electricity. What is Q?

  • Acarbon (C)
  • Blead (Pb)
  • Cthulium (Tm)
  • Dtin (Sn)

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