Chemistry, asked by radadiyaavin, 1 year ago

Although boron (B) is smaller in size than barellium (Be). But Ist ionisation enthalpy of Barellium (Be) is higher than Boran (B) Why. (See Lesson-3)

Answers

Answered by StarBoyAj

because it experience sheilding effect

Answered by Anonymous

Because in case of beryllium its s shell is fully occupied by electrons so it is stable but boron has 1 unpaired electron due to which its ionization enthalpy is lower than Be

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