MediumChemistry
+4 / -1
Which of the following statement is correct :
A
Due to lanthanide contraction size of 3d series elements ≈ 4d series element
B
Due to lanthanide contraction size of 4d series elements ≈ 5d series element.
C
D
Due to lanthanide contraction size of 5d series element > 4d series elements.
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