Q18Multiple correct
Which of the following statements are correct?
- (i)Helium has the highest first ionisation enthalpy in the periodic table.
- (ii)Chlorine has less negative electron gain enthalpy than fluorine.
- (iii)Mercury and bromine are liquids at room temperature.
- (iv)In any period, atomic radius of alkali metal is the highest.
Show answer
(i) Helium has the highest first ionisation enthalpy in the periodic table.
(iii) Mercury and bromine are liquids at room temperature.
(iv) In any period, atomic radius of alkali metal is the highest.