cp's OEIS Frontend

A319901 List of elements whose electron configuration does not satisfy the Aufbau principle.

%I A319901 #16 Oct 15 2018 11:45:27
%S A319901 24,29,41,42,44,45,46,47,57,58,64,78,79,89,90,91,92,93,96,103
%N A319901 List of elements whose electron configuration does not satisfy the Aufbau principle.
%C A319901 Possibly full, but if some period 8 elements were synthesized there may be a lot more terms.
%H A319901 Wikipedia, <a href="https://en.wikipedia.org/wiki/Aufbau_principle">Aufbau principle</a>
%H A319901 Wikipedia, <a href="https://en.wikipedia.org/wiki/Electron_configuration">Electron configuration</a>.
%H A319901 Wikipedia, <a href="https://en.wikipedia.org/wiki/Electron_configurations_of_the_elements_(data_page)">Electron configurations of the elements (data page)</a>.
%e A319901 ...Element.....Atomic number...EC by Aufbau principle.......Actual EC....
%e A319901 Chromium.............24............[Ar]3d4 4s2..........[Ar]3d5 4s1
%e A319901 Copper...............29............[Ar]3d9 4s2..........[Ar]3d10 4s1
%e A319901 Niobium..............41............[Kr]4d3 5s2..........[Kr]4d4 5s1
%e A319901 Molybdenum...........42............[Kr]4d4 5s2..........[Kr]4d5 5s1
%e A319901 Ruthenium............44............[Kr]4d6 5s2..........[Kr]4d7 5s1
%e A319901 Rhodium..............45............[Kr]4d7 5s2..........[Kr]4d8 5s1
%e A319901 Palladium............46............[Kr]4d8 5s2..........[Kr]4d10
%e A319901 Silver...............47............[Kr]4d9 5s2..........[Kr]4d10 5s1
%e A319901 Lanthanum............57............[Xe]4f1 6s2..........[Xe]5d1 6s2
%e A319901 Cerium...............58............[Xe]4f2 6s2..........[Xe]4f1 5d1 6s2
%e A319901 Gadolinium...........64............[Xe]4f8 6s2..........[Xe]4f7 5d1 6s2
%e A319901 Platinum.............78............[Xe]4f14 5d8 6s2.....[Xe]4f14 5d9 6s1
%e A319901 Gold.................79............[Xe]4f14 5d9 6s2.....[Xe]4f14 5d10 6s1
%e A319901 Actinium.............89............[Rn]5f1 7s2..........[Rn]6d1 7s2
%e A319901 Thorium..............90............[Rn]5f2 7s2..........[Rn]6d2 7s2
%e A319901 Protactinium.........91............[Rn]5f3 7s2..........[Rn]5f2 6d1 7s2
%e A319901 Uranium..............92............[Rn]5f4 7s2..........[Rn]5f3 6d1 7s2
%e A319901 Neptunium............93............[Rn]5f5 7s2..........[Rn]5f4 6d1 7s2
%e A319901 Curium...............96............[Rn]5f8 7s2..........[Rn]5f7 6d1 7s2
%e A319901 Lawrencium..........103............[Rn]5f14 6d1 7s2.....[Rn]5f14 7s2 7p1
%e A319901 (EC = electron configuration.)
%Y A319901 Cf. A168208.
%K A319901 nonn,more
%O A319901 1,1
%A A319901 _Jianing Song_, Sep 30 2018