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Compare the radii of two species X and Y. Give reasons for your answer. (a) X has 12 protons and 12 electrons Y has 12 protons and 10 electrons

ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
  • Soln:

From electron arrangement X -2.8.2

Y -2.8

Since Y has fewer energy levels it's atomic radius will be smaller than that of X.

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