Why is the 1st ionisation potential of B less than that of Be ?

Ionisation potential of O is less than that of N-explain.

Ionisation potential of O is less than that of N - explain

Why first ionisation potential of aluminium is less than that of magnesium?

First ionisation potential of Mg is .... than that of Al.

2nd ionisation potential of Be is greater than the 1st ionisation potential of B but less than 2nd ionisation potential of B - explain .

1st ionisation potential of Al is less than that of Mg- explain

The incorrect statement Among the following is A)The first ionisation potential of Al is less than the first ionisation potential of Mg. B)The first ionisation potential of Na is less than the first ionisation potential of Mg. C)The second ionisation potential of Mg greater than the second ionisation potential of Na D)The third ionisation potential of Mg greater than the third ionisation potential of Al

Why is the ionisation enthalpy of oxygen is less than those of nitrogen ad fluorine?

Why the 1st Ionisation potential of N_2 is higher than O_2 ?