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  4. The period number and group number of Tantalum (Z = 73) are respectively

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Q. The period number and group number of Tantalum (Z = 73) are respectively

NTA AbhyasNTA Abhyas 2020Classification of Elements and Periodicity in Properties

Solution:

The period number and group number of Tantalum (Z = 73) are respectively VI and 5

Electronic configuration of Tantalum $ \rightarrow $ $\left(\right.Xe\left.\right)4f^{14},5d^{3},6s^{2}$