Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

In which species does the underlined atom possess an incomplete outer shell?

  • A$\text{BF}_3$
  • B$\text{CH}_3^{-}$
  • C$\text{F}_2\text{O}$
  • D$\text{H}_3\text{O}^{+}$

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