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MHT CET20226 Aug 2022Evening ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

Which among the following elements has only one electron in valence shell?

Options

  1. ACa
  2. BRa
  3. CRb
  4. DBa

Correct answer

C. Rb

Step-by-step solution

I A group elements have 1 e ⁻ in valence shell

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