1.

Which of the following series correctly represents relations between the elements from X to Y ? X to Y

Answer»

`._(3)Li to _(19)K` Ionization enthalpy increases
`._(9)F to _(35)Br` Electron GAIN enthalpy (negative SIGN) increases
`._(6)C to _(32)Ge` Atomic RADII increases
`._(18)AR to _(54)Xe` Noble character increases

Solution :On moving down a group atomic radii increases.


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