Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Elements P and Q contain the same number of electron shells. An atom of Q has a larger number of electrons in its outermost electron shell than an atom of P. Which statements are correct?

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D2 and 4

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