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An Intiative by Sri Chaitanya
a
Across a transition series (from Cr to Cu), there is only a small variation in atomic radius from one element to another due to a very small increase in effective nuclear charge.
b
The rate of decrease in the size across the lanthanide series is less than that across the first transition series.
c
Both are correct statements
d
None of the statements is correct
answer is C.
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