Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

The electronic structures of atoms X and Y are shown. X and Y combine to make a covalent compound. What formula does it have?

  • A$X_2Y$
  • B$XY$
  • C$XY_2$
  • D$XY_6$

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