11th Class Chemistry Classification of Elements and Periodicity in Properties

  • question_answer 91)   The radius of \[N{{a}^{+}}\] cation is less than that of Na atom. Give reason

    Answer:

      Effective nuclear charge of \[N{{a}^{+}}\] ion is greater than Na atom and thus electron cloud contracts and thereby the radius of \[N{{a}^{+}}\] ion is less than Na atom.

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