configuracion electronica (en orden)

21Sc: 1s2 2s22p63s23p64s23d1
22Ti: 1s22s22p63s23p64s23d2
23V: 1s22s22p63s23p64s23d3
24Cr: 1s22s22p63s23p64s23d4
25Mn: 1s22s22p63s23p64s23d5
26Fe: 1s2,2s2,2p6,3s2,3p6,4s2,3d6.
27Co: 1s2,2s2,2p6,3s2,3p6,4s2,3d7
28Ni: 1s2,2s2,2p6,3s2.3p6,4s2,3d8
29Cu: 1s2,2s2,2p6,3s2,3p6,4s2,3d9
30Zn: 1s2,2s2,2p6,3s2,3p6,4s2,3d10
39y: 1s2,2s2,2p6,3s3,3p6,4s2,3d10,4p6,5s2,4d1
40Zr:1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d2.
41Nb= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d3
42Mo= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4
43Tc= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d5
44Ru= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6
45Rh= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d7
46Pd:1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d8.
47Ag: 1S2 2S2 2P6 3S2 3P6 4S2 3D10 4P6 5S2 4D9 48Cd: 1S2 2S2 2P6 3S2 3P6 4S2 3D10 4P6 5S2 4D10
71Lu: 1S2 2S2 2P6 3S2 3P6 4S2 3D10 4P6 5S2 4D10 5P6 6S2 4F14 5D1
72Hf: 1S2 2S2 2P6 3S2 3P6 4S2 3D10 4P6 5S2 4D10 5P6 6S2 4F14 5D2
73TA: 1S2 2S2 2P6 3S2 3P6 4S2 3D10 4P6 5S2 4D10 5P6 6S2 4F14 5D3
W74: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d4.
Re75: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d5.
Os76: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d6.
Ir77: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d7.
Pt78: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d8.
Au79: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d9.
Hg80: 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s2,4d10,5p6,6s2,4f14,5d10.