Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Which two molecules have an equal number of electrons?

  • A$\text{Cl}_2$ and $\text{SO}_2$
  • B$\text{CH}_4$ and $\text{H}_2\text{O}$
  • C$\text{CO}$ and $\text{NH}_3$
  • D$\text{CO}_2$ and $\text{HCl}$

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