Which of the following elements has a positive electron gain enthalpy?

Correct order of electron affinity for $C$,$Si$,and $Ge$ is

Arrange the three halogens $Cl$,$Br$,and $I$ in the increasing order of their electron affinity. Which of the following arrangements is correct?

Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for $C, Ca, Al, F$ and $O$?

Electron gain enthalpy values $(\Delta_{eg} H)$ (in $kJ \ mol^{-1}$) of elements $X$,$Y$ and $Z$ are $-349$,$-200$ and $-295$ respectively. $X$,$Y$ and $Z$ are respectively

Among the following options, the correct trend in the electron gain enthalpy is