Which of the following choices represent the correct order of first ionisation enthalpy ?

Which of the following represent the correct order of increasing first ionisation enthalpy for Ca,Ba,S,Se and Ar

Which of the following represent the correct order of increasing first ionisation enthalpy for Ca,Ba,S,Se and Ar

Which of the following represents the correct order of first ionization energies ?

Which of the following represents the correct order of increasing first ionisation enthalpy for Ca, Ba, S, Se and Ar ?

Which of the following represents the correct order of increasing first ionisation enthalpy for Ca,Ba,Se , and Ar ?

Which of the following represents the correct order of increasing first ionisation enthalpy for Ca,Ba,Se , and Ar ?

The correct order of 1^(st) ionisation enthalpy is :

The correct order of first ionisation potential is

Select the correct order of first ionisation potential