Among the elements `B,Al,C` and Si
a. Which has highest `IE_(1)` ?
b. Which is most metallic ?

Among the elements B, Al, C and Si (c ) Which has the largest atomic radius?

Among the elements B , Al , C and Si . a. Which has the highest first ionization enthalpy? b. Which has most negative electron gain enthalpy? c. Which has the largest atomic radius? d. Which has the most metallic character?

Among the elements B, Al, C and Si (d) Which has the most metallic character?

Among the elements B, Al, C and Si (a) Which has the highest first ionization enthalpy ?

Among the elements, B, Al, C and Si, a) which element has the highest first ionisation enthalpy? b) which element has the most metallic character? Justify your answer in each case,

Among the elements, B, Al, C and Si, a) which element has the highest first ionisation enthalpy? b) which element has the most metallic character? Justify your answer in each case,

Among the elements b, Al, C and Si (a)Which has the highest first ionization enthalpy? (b)Which has the most negative electron gain enthalpy? (c) Which has the largest atomic radius? (d) Which has the most metallic character?