atom 4dATOMIC NUMBERSYMBOLNAMEELECTRON CONFURATION39YYttrium1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 1 ...40ZrZirconium1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 2 ...41NbNiobium1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 4 ...42MoMolybdenum1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 5 ...Lihat semua 11 baris diTable of equations for the 4d orbitals. There are five real 4d orbitals. The radial equations for all the 4d orbitals are the same.