Column-I: Property; Column-II: Variation of property; Column-III: Magnitude Column-IColumn-IIColumn-III(I)Electron a affinity(EA1)(i)Decreases along the period(P)Highest in halogen in their respective periods(II)Ionization energy(IE1)(ii)Directly proportional to Zeff(Q)Highest in noble gases in their respective periods (III)Electronegativity(iii)Decreases down the group(R)Highest in alkali metals in their respective periods (IV)Electropositive character(iv)Inversly proportional to size(S)Moderate in noble gases in their respective periods The only correct combination for the energy required to knock out most loosely bounded electron from isolated gaseous atom is:

Column-I: Property; Column-II: Variation of property; Column-III: Magn

1.	Column-I: Property; Column-II: Variation of property; Column-III: Magnitude Column-IColumn-IIColumn-III(I)Electron a affinity(EA1)(i)Decreases along the period(P)Highest in halogen in their respective periods(II)Ionization energy(IE1)(ii)Directly proportional to Zeff(Q)Highest in noble gases in their respective periods (III)Electronegativity(iii)Decreases down the group(R)Highest in alkali metals in their respective periods (IV)Electropositive character(iv)Inversly proportional to size(S)Moderate in noble gases in their respective periods The only correct combination for the energy required to knock out most loosely bounded electron from isolated gaseous atom is:
Answer» Column-I: Property; Column-II: Variation of property; Column-III: Magnitude $\begin{matrix} Column-I & Column-II & Column-III (I) & Electron a affinity (E A_{1}) & (i) & Decreases along the period & (P) & Highest in halogen in their respective periods (I I) & Ionization energy (I E_{1}) & (i i) & Directly proportional to Z_{e f f} & (Q) & Highest in noble gases in their respective periods (I I I) & Electronegativity & (i i i) & Decreases down the group & (R) & Highest in alkali metals in their respective periods (I V) & Electropositive character & (i v) & Inversly proportional to size & (S) & Moderate in noble gases in their respective periods \end{matrix}$ The only correct combination for the energy required to knock out most loosely bounded electron from isolated gaseous atom is: