Why is the electronic configuration of f block or d block referred to as (n-2)f 0-14 and (n-1)d 0-10. I understand that d subshell can have electrons from 1 to a max of 10 electrons but whats the meaning of (n-1) or (n-2). Share with your friends Share 1 Akansha Chauhan answered this Dear Student, 1 View Full Answer