Which group of transition elements includes Tungsten (W), Rhenium (Re), and Osmium (Os)? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

Which group of transition elements includes Tungsten (W), Rhenium (Re), and Osmium (Os)?

A. 3d series
B. 4f series
C. 4d series
D. 5d series

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