Question

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

• A. 5, 7
• B. 6, 13
• C. 6, 5
• D. None of these

Answer 1

Answer: (C)

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

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