Ionization energy of beryllium is greater than the ionization energy o – InterviewSolution

1.

Ionization energy of beryllium is greater than the ionization energy of boron. Why?

Answer»

Be (Z= 4) 1s² 2s² . it has completely filled valence electrons, which requires high IE₁ .

B(Z =5) 1s² 2s² 2p¹ . It has incompletely filled valence electrons, which requires comparatively less IE₁.

Hence I.E₁ Be > I.E₁ B.

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