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A319901 List of elements whose electron configuration does not satisfy the Aufbau principle. 0
24, 29, 41, 42, 44, 45, 46, 47, 57, 58, 64, 78, 79, 89, 90, 91, 92, 93, 96, 103 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Possibly full, but if some period 8 elements were synthesized there may be a lot more terms.
LINKS
Wikipedia, Aufbau principle
EXAMPLE
...Element.....Atomic number...EC by Aufbau principle.......Actual EC....
Chromium.............24............[Ar]3d4 4s2..........[Ar]3d5 4s1
Copper...............29............[Ar]3d9 4s2..........[Ar]3d10 4s1
Niobium..............41............[Kr]4d3 5s2..........[Kr]4d4 5s1
Molybdenum...........42............[Kr]4d4 5s2..........[Kr]4d5 5s1
Ruthenium............44............[Kr]4d6 5s2..........[Kr]4d7 5s1
Rhodium..............45............[Kr]4d7 5s2..........[Kr]4d8 5s1
Palladium............46............[Kr]4d8 5s2..........[Kr]4d10
Silver...............47............[Kr]4d9 5s2..........[Kr]4d10 5s1
Lanthanum............57............[Xe]4f1 6s2..........[Xe]5d1 6s2
Cerium...............58............[Xe]4f2 6s2..........[Xe]4f1 5d1 6s2
Gadolinium...........64............[Xe]4f8 6s2..........[Xe]4f7 5d1 6s2
Platinum.............78............[Xe]4f14 5d8 6s2.....[Xe]4f14 5d9 6s1
Gold.................79............[Xe]4f14 5d9 6s2.....[Xe]4f14 5d10 6s1
Actinium.............89............[Rn]5f1 7s2..........[Rn]6d1 7s2
Thorium..............90............[Rn]5f2 7s2..........[Rn]6d2 7s2
Protactinium.........91............[Rn]5f3 7s2..........[Rn]5f2 6d1 7s2
Uranium..............92............[Rn]5f4 7s2..........[Rn]5f3 6d1 7s2
Neptunium............93............[Rn]5f5 7s2..........[Rn]5f4 6d1 7s2
Curium...............96............[Rn]5f8 7s2..........[Rn]5f7 6d1 7s2
Lawrencium..........103............[Rn]5f14 6d1 7s2.....[Rn]5f14 7s2 7p1
(EC = electron configuration.)
CROSSREFS
Cf. A168208.
Sequence in context: A217441 A045668 A045659 * A058228 A093455 A080564
KEYWORD
nonn,more
AUTHOR
Jianing Song, Sep 30 2018
STATUS
approved

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)