Among the elements of the 3rd period from Na to Ar, pick out the element: (L-2) (a). with highest first ionization enthalpy. (b). with largest atomic radius. (c). that is most reactive non-metal. (d). that is most reactive metal.

Among the elements of the 3rd period from Na to Ar, pick out the element: (L-2)
 (a). with highest first ionization enthalpy.
 (b). with largest atomic radius.
 (c). that is most reactive non-metal.
 (d). that is most reactive metal.
by

1 Answer

Answer :

(a). Ar has highest first ionization enthalpy.
 (b). Na has large atomic radius (covalent radius).
 (c). Cl is more reactive non-metal in 3rd period.
 (d). Na is most reactive metal in third period.
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