What is important to remember about the d block when writing electron configurations? The d block is just like every other block, so you continue as normal.

The d block is a level below the period you are on so you always have to subtract 1 from your principle quantum number

The d block is a level above the period you are on so you have to add 1 to your principle quantum number.

The d block is two levels below the period you are on so you have to subtract 2 from your principle quantum number.