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NEETChemistryClassification of Elements and Periodicity in Properties

Which element has the valence shell electronic configuration [Ne]3s1?

Options

  1. ALithium (Li)
  2. BSodium (Na)
  3. CPotassium (K)
  4. DRubidium (Rb)

Correct answer

C. Potassium (K)

Step-by-step solution

The valence shell electronic configuration for potassium (K) as "[Ar]4s1," which is equivalent to [Ne]3s23p64s1 in the given format.

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