Question

Write the name of elements of second transition series

Answer 1

The third series extends from lanthanum (symbol La, atomic number 57) to mercury (symbol Hg, atomic number 80). These three main transition series are included in the set of 30 elements often called the d-block transition elements.

Answer 2

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the 3rd series extents from lanthanum (symbol La, atomic number 57) Mercury (symbol HG,atomic atomic number 80).these three main transition series are included in the set of 30 elements after call the D - block Transition Element.

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