JEE Main 201912 Apr, Evening shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002In comparison to boron, berylium has :AOption A. lesser nuclear charge and greater first ionisation enthalpyBOption B. greater nuclear charge and greater first ionisation enthalpyCOption C. greater nuclear charge and lesser first ionisation enthalpyDOption D. lesser nuclear charge and lesser first ionisation ethalpyCheckSkip · show solution
