5p
x
5p
y
5p
z
4d
xy
4d
xz
4d
yz
4d
x
2
y
2
4d
z
2
5s
Select an element:
37 Rubidium Rb
38 Strontium Sr
39 Yittium Y
40 Zirconium Zr
41 Niobium Nb (*alert)
42 Molybdenum Mo
43 Technetium Tc
44 Ruthenium Ru
45 Rhodium Rh
46 Palladium Pd (special)
47 Silver Ag
48 Cadmium Cd
49 Indium In
50 Tin Sn
51 Antimony Sb
52 Tellurium Te
53 Iodine I
54 Xenon Xe
The total number of electrons represented is
d
4-9
Rule Exception