In the group 3 to group 12 elements, which subshell is filled up going across the rows?

In the group 3 to group 12 of elements, it is the d subshell that filled up going across the rows,.  In the d-block of the periodic table, we have the Zinc, Cadmium, and Mercury.  This corresponds to the teams 3 to 12 of the periodic table.

i believe the answer is true.

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )