Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

The table gives the numbers of bonding pairs and lone pairs in four separate species. Which row is correct?

  • Anitrogen molecule: $3$ bond pairs, $1$ lone pair
  • Bammonia molecule: $4$ bond pairs, $1$ lone pair
  • Cammonium ion: $4$ bond pairs, $0$ lone pairs
  • Dhydroxide ion: $1$ bond pair, $4$ lone pairs

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