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IAT IISER2022ChemistryClassification of Elements and Periodicity in Properties

The first to fifth ionization energies (IE) of two p-block elements X and Y are given below. array |c|c|c|c|c|c| & IE ₁( eV ) & IE ₂( eV ) & IE ₃( eV ) & IE ₄( eV ) & IE ₅( eV ) X & 6.0 & 18.8 & 28.4 & 120.0 & 153.7 Y & 8.2 & 16.3 & 33.5 & 45.1 & 166.7 array The number of valence electrons in X and Y respectively are

Options

  1. A3,4
  2. B1,4
  3. C4,5
  4. D3,5

Correct answer

A. 3,4

Step-by-step solution

No solution available.

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