Chemistry 5070 · O Level · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Which particle has the largest number of electrons?

  • A$\text{Mg}^{2+}$
  • B$\text{N}^{3-}$
  • C$\text{Ne}$
  • D$\text{S}^{2-}$

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