MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryd and f Block elementsPrevious Year Questions
Zr (Z = 40) and Hf (Z = 72) have similar atomic and ionic radii because of: (NEET 2021)
A.lanthanoid contraction
B.having similar chemical properties
C.Belonging to same group
D.diagonal relationship
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