Which one of the following pairs has the same electronic configuration as possessed by Neon (Ne-10)?
Correct answer: D. Na+, F-
- A. Na+, Cl-
- B. K+, Cl-
- C. Na+, K+
- D. Na+, F-
Explanation
Sodium (Na+) has the electronic configuration 1s^2 2s^2 2p^6 3s^1, while fluorine (F-) has the electronic configuration 1s^2 2s^2 2p^5. Na+ loses one electron and F- ions gain one electron from their valence shells, resulting in the same electronic configuration as neon. Therefore, this pair has the same electronic configuration as neon.
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