Electron Configuration

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( [He], [Ne], [Ar], [Kr], [Xe], and [Rn] represent the closed-shell electron configurations of these elements. )

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Element

Orbital Occupancy

Orbital Filling Order

Term Symbol

Astatine

[Xe] 4f14 5d10 6s2 6p5

[Xe] 6s2 4f14 5d10 6p5

2P3/2

Bismuth

[Xe] 4f14 5d10 6s2 6p3

[Xe] 6s2 4f14 5d10 6p3

4S3/2

Gold

[Xe] 4f14 5d10 6s1

[Xe] 6s1 4f14 5d10

2S1/2

Lead

[Xe] 4f14 5d10 6s2 6p2

[Xe] 6s2 4f14 5d10 6p2

3P0

Polonium

[Xe] 4f14 5d10 6s2 6p4

[Xe] 6s2 4f14 5d10 6p4

3P2

Radon

[Xe] 4f14 5d10 6s2 6p6

[Xe] 6s2 4f14 5d10 6p6

1S0

Thallium

[Xe] 4f14 5d10 6s2 6p1

[Xe] 6s2 4f14 5d10 6p1

2P1/2

References (Click the next to a value above to see complete citation information for that entry)

Emsley, John. The Elements, 3rd edition. Oxford: Oxford University Press, 1998.

Fritzsche, S., C. Z. Dong, F. Koike, and A. Uvarov. "The Low-Lying Level Structure of Atomic Lawrencium (Z = 103): Energies and Absorption Rates." The European Physical Journal D — Atomic, Molecular, Optical and Plasma Physics, volume 45, number 1, 2007, pp. 107–113. doi:10.1140/epjd/e2007-00136-3

Huheey, James E., Ellen A. Keiter, and Richard L Keiter. Inorganic Chemistry: Principles of Structure and Reactivity, 4th edition. New York: HarperCollins College Publishers, 1993.

Indelicato, P., J. P. Santos, S. Boucard, and J.-P. Desclaux. "QED and Relativistic Corrections in Superheavy Elements." The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics, volume 45, number 1, 2007, pp. 155–170. doi:10.1140/epjd/e2007-00229-y

Kaldor, Uzi, Ephraim Eliav, and Arie Landau. "Accurate Relativistic Fock-Space Calculations for Many-Electron Atoms." pp. 81–119 in Relativistic Electronic Structure Theory Part 2: Applications. Edited by Peter Schwerdtfeger. Amsterdam: Elsevier B. V., 2004.

Liboff, Richard L. Introductory Quantum Mechanics, 3rd edition. Reading, MA: Addison Wesley Longman, Inc., 1998.

Martin, W. C. "Electronic Structure of the Elements." The European Physical Journal C — Particles and Fields, volume 15, number 1–4, 2000, pp. 78–79. doi:10.1007/BF02683401

Miessler, Gary L., and Donald A. Tarr. Inorganic Chemistry, 3rd edition. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.

Oxtoby, David W., H. P. Gillis, and Alan Campion. Principles of Modern Chemistry, 6th edition. Belmont, CA: Thomson Brooks/Cole, 2008.

Seaborg, Glenn T., and Walter D. Loveland. The Elements Beyond Uranium. New York: John Wiley & Sons, Inc., 1990.

Silbey, Robert J., Robert A. Alberty, and Moungi G. Bawendi. Physical Chemistry, 4th edition. Hoboken, NJ: John Wiley & Sons, Inc., 2005.

Wikipedia. Moscovium. https://en.wikipedia.org/wiki/Moscovium. Accessed on August 24, 2022.

Wikipedia. Nihonium. https://en.wikipedia.org/wiki/Nihonium. Accessed on August 24, 2022.

Wikipedia. Oganesson. https://en.wikipedia.org/wiki/Oganesson. Accessed on August 24, 2022.

Wikipedia. Tennessine. https://en.wikipedia.org/wiki/Tennessine. Accessed on August 24, 2022.

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