Chemistry 0620 · IGCSE · Arrangement of elements

Arrangement of elements — practice question

W, X, Y and Z are elements in Period 3 of the Periodic Table. The number of outer-shell electrons in an atom of each element is shown. Which of the elements are non-metals?

  • AW, X and Y
  • BW and X only
  • CY and Z
  • DZ only

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