Although zirconium belongs to 4d transition series and hafnium to 5d transition series even then they show similar physical and chemical properties because …….. .

Although Zirconium belongs to 4d-transition series and Hafnium belongs to 5d transition series , even then they show similar physical and chemical properties because _______ .

Which one belongs to 3d-transition series

Among 3d transition series the IE

Among 3d transition series the IE

Which does not belong to first transition series?

Why the properties of third transition series are very similar to second transition series ?

Which of the following group belongs to transition series ?