Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

Which species has the same number of neutrons as $^{14}_{6}\text{C}$ and the same number of electrons as $^{23}_{11}\text{Na}^+$?

  • A$^{17}_{9}\text{F}$
  • B$^{16}_{7}\text{N}^{3-}$
  • C$^{20}_{10}\text{Ne}$
  • D$^{16}_{8}\text{O}^{2-}$

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