With explaination.......

1.	With explaination.......
Answer» Hey MATE! electronic configuration of Be =1s2 2s2 it show's its outer orbit is fulfilled.. so it is stable.. having HIGH electron enthalpy.. i.e requires more ENERGY to REMOVE electron but in CASE of boron B=1s2 2s2 2p1 its outermost shell have only one electron.. in p orbital ...which can be removed easily.. having low electron enthalpy. correct answer is optipn b hope it will help you.. #phoenix

Discussion