Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

The formula for ammonia is $\text{NH}_3$. Which statement is correct about one molecule of ammonia?

  • AThe bonding in a molecule of ammonia is ionic.
  • BThe nitrogen atom has a noble gas configuration, the hydrogen atoms do not.
  • CThe nitrogen atom shares all of its electrons with hydrogen atoms.
  • DThere are six shared electrons in a molecule of ammonia.

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