The element having atomic number Z = 107...

The element having atomic number Z = 107 and Z = 109 have been made recently, element Z = 108 has not yet been made. Indicate the group number in which you will place the above element.

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The correct Answer is:

8

Electronic configuration `[R_n]^(86) 5f^(14) 6d^(6) 7p 7s^(2)` . Group no. = no. of `e^(-)` in (n – 1) d + ns = 6 + 2 = 8

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