Chemistry 0620 · IGCSE · Arrangement of elements

Arrangement of elements — practice question

Which compound is formed from elements that all belong to the same period?

  • A$\text{Al}_2(\text{SO}_4)_3$
  • B$\text{C}_2\text{H}_5\text{OH}$
  • C$\text{LiNO}_3$
  • D$\text{Na}_3\text{AlF}_6$

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