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in Classification of elements and periodicity in properties by (73.1k points)
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Choose the correct option

I.  The last electron in case of inner transition elements goes to f–orbital 

II.  The electron affinity is highest for fluorine

III.  Metallic radius is smaller than covalent radii 

IV.  Ar has lesser ionisation enthalpy than K 

(a)  TFFT 

(b)   TFFF 

(c)   TTTF 

(d)  TTFF

1 Answer

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Best answer

Correct option  (b) TFFF

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