Which of the following atoms or ions is isoelectronic with Be²⁺? A) Na⁺ B) Br^- C) He D) Xe E) He⁺

Name: Which of the following atoms or ions is isoelectronic with Be 2+ ? A) Na + B) Br - C) He D) Xe E) He +
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Question

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Isoelectronic species have the same number of electrons. Be²⁺ has a total of 16 electrons. He, which has two electrons, is the only option with the same number of electrons as Be²⁺. The other options have different numbers of electrons.

Which of the Following Atoms or Ions Is Isoelectronic with Be2+

Which of the Following Atoms or Ions Is Isoelectronic with Be²⁺