Question

The 71st electron of an element X with atomic number 71 enters into the orbital
1. 6p 2.4f 3. 5d 4. 6s

Answer 1

Hi sis.........the answer is 5d .

And I guess srivatsan is well soon.

Answer 2

2,8,8,8,8,8,8,8,8,5

is the electronic configuration