NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

Which one pair of atoms or ions will have same configuration?

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Correct option: B

\mathrm{C}{\mathrm{l}^ - }\,\,and\,\,\mathrm{Ar}

Option B (

\mathrm{C}{\mathrm{l}^ - }\,\,and\,\,\mathrm{Ar}

) is correct because both the chloride ion and argon have the same number of electrons and thus the same electronic configuration.

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