MCQ
Which of the following series correctly represents relations between the elements from $X$ to $Y$ ? $X \to Y$
- A$_3Li \to \,_{19}K$ Ionization enthalpy increases
- B$_9F \to \,_{35}Br$ Electron gain enthalpy (negative sign) increases
- ✓$_6C \to \,_{32}Ge$ Atomic radii increases
- D$_{18}Ar \to \,_{54}Xe$ Noble character increases

