Chemistry 5070 · O Level · Arrangement of elements

Arrangement of elements — practice question

Which formula shows the oxide formed by element Z in Group II of the Periodic Table?

  • A$\text{ZO}$
  • B$\text{Z}_2\text{O}_2$
  • C$\text{ZO}_3$
  • D$\text{Z}_2\text{O}$

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