From among the elements,choose the follo...

From among the elements,choose the following: `CI,Br, F,Al, C,Li,Cs& Xe`.
(i) The element with highest electron gain enthalpy.
(ii) The element with lowest ionisation potential.
(iii) The element whose oxide is amphoteric.
(iv) The element which has smallest radii.
(v) The element whose atom has 8 electrons in the outermost shell.

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