Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

Which ion has an electronic configuration that is the same as $\text{Cl}^-$?

  • A$ ext{F}^-$
  • B$ ext{P}^+$
  • C$ ext{Sc}^{3+}$
  • D$ ext{Si}^{4+}$

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