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NEETChemistrys Block Elements

Why does beryllium (Be2+) have a higher electron affinity compared to other alkaline earth metals?

Options

  1. ALarger atomic radius of Be.
  2. BSmaller ionic radius of Be2+ ion.
  3. CLower ionization energy of Be.
  4. DHigher electronegativity of Be.

Correct answer

B. Smaller ionic radius of Be2+ ion.

Step-by-step solution

The smaller ionic radius of Be2+ ion contributes to its higher electron affinity.

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