Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

The numbers of protons and neutrons, together with the electronic structures of four particles, W, X, Y and Z, are shown. Which particles show the same chemical properties?

  • AW and Y
  • BW and Z
  • CX and Y
  • DX and Z

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