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An Intiative by Sri Chaitanya
a
more active nature of the actinoids
b
lesser energy difference between 5f and 6d orbitals than that between 4f and 5d orbitals
c
greater metallic character of the lanthanoids than that of the corresponding actinoids
d
more energy difference between 5f and 6d orbitals than that between 4f and 5d orbitals
answer is C.
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