How many transiiton series of elementsare there in the periodictable ? – InterviewSolution

1.	How many transiiton series of elementsare there in the periodictable ? Name them.
Answer» Solution :There are four main transition series of ELEMENTS correspong to filling of 3D, 4d, 5d and 6d SUBLEVELS in4th, 5TH, 6th and7th periods. They are known as first transition series , second transition or 4d series, third transition or 5dseries and FOURTH transition or 6d series.

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