1.

First ionization enthalpy of be is higher than that of boron

Answer» KEEP in mind the simple rule which is as below.
▪ The groups which show high Ionization potential or enthalpy are GROUP 2,5,8
▪ Be belongs to group 2.
▪The elements BELONGING to group 1 ,3 ,6 SHOWS LOW ionization potential.
▪Boron belongs to group 3.


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