why fluorine has low ionisation enthalpy
Fluorine has a very high ionization enthalpy as it has a strong tendency to accept an electron and achieve stable outermost shell configuration.
Which of the following statements are correct? (a) Helium has the highest first ionisation enthalpy in the periodic table (b) Chlorine has less negative electron gain enthalpy than fluorine (c) Mercury and bromine are liquids at liquids at room temperature (d) In any period, the atomic radius of alkali metal is the highest