Science, Tech, Math › Science Alphabetical Electron Configuration List of Elements Element Electron Shells Share Flipboard Email Print Encyclopaedia Britannica/UIG, Getty Images Science Chemistry Physical Chemistry Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Anne Marie Helmenstine, Ph.D. Facebook Twitter Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Learn about our Editorial Process Updated on August 02, 2019 This is an alphabetical electron configuration list of all the elements of the periodic table. While the electronic structure of the lighter elements is well-studied, once you get to the heavier man-made elements, these configurations are predicted or calculated based on periodic table trends. Configurations are estimated from dubnium (element 105) up to ununoctium (element 118). Noble Gas Core Notation Used Note the configurations are listed using the noble gas core notation. So, for example, neon is written using this shorthand as [He]2s22p6 rather than 1s22s22p6. The electron configurations of the newly discovered super-heavy elements are predicted. Electrons travel at relativistic speeds in these atoms, so unusual behavior might occur. You may also view the electron configurations of the first 104 elements in order of atomic number. Actinium to Curium Actinium - [Rn]6d17s2Aluminum - [Ne]3s23p1Americium - [Rn]5f77s2Antimony - [Kr]4d105s25p3Argon - [Ne]3s23p6Arsenic - [Ar]3d104s24p3Astatine - [Xe]4f145d106s26p5Barium - [Xe]6s2Berkelium - [Rn]5f97s2Beryllium - [He]2s2Bismuth - [Xe]4f145d106s26p3Bohrium - [Rn]5f146d57s2Boron - [He]2s22p1Bromine - [Ar]3d104s24p5Cadmium - [Kr]4d105s2Calcium - [Ar]4s2Californium - [Rn]5f107s2Carbon - [He]2s22p2Cerium - [Xe]4f15d16s2Cesium - [Xe]6s1Chlorine - [Ne]3s23p5Chromium - [Ar]3d54s1Cobalt - [Ar]3d74s2Copernicium (formerly ununbium) - [Rn]5f146d107s2Copper - [Ar]3d104s1Curium - [Rn]5f76d17s2 Darmstadtium to Hydrogen Darmstadtium - [Rn]5f146d97s1Dubnium - [Rn]5f146d37s2Dysprosium - [Xe]4f106s2Einsteinium - [Rn]5f117s2Erbium - [Xe]4f126s2Europium - [Xe]4f76s2Fermium - [Rn]5f127s2Flerovium (formerly ununquadium) - [Rn]5f146d107s27p2Fluorine - [He]2s22p5Francium - [Rn]7s1Gadolinium - [Xe]4f75d16s2Gallium - [Ar]3d104s24p1Germanium - [Ar]3d104s24p2Gold - [Xe]4f145d106s1Hafnium - [Xe]4f145d26s2Hassium - [Rn]5f146d67s2Helium - 1s2Holmium - [Xe]4f116s2Hydrogen - 1s1 Indium to Moscovium Indium - [Kr]4d105s25p1Iodine - [Kr]4d105s25p5Iridium - [Xe]4f145d76s2Iron - [Ar]3d64s2Krypton - [Ar]3d104s24p6Lanthanum - [Xe]5d16s2Lawrencium - [Rn]5f147s27p1Lead - [Xe]4f145d106s26p2Lithium - [He]2s1Livermorium (formerly ununhexium) - [Rn]5f146d107s27p4Lutetium - [Xe]4f145d16s2Magnesium - [Ne]3s2Manganese - [Ar]3d54s2Meitnerium - [Rn]5f146d77s2Mendelevium - [Rn]5f137s2Mercury - [Xe]4f145d106s2Molybdenum - [Kr]4d55s1Moscovium - [Rn] 5f14 6d10 7s2 7p3 (predicted) Neodymium to Protactinium Neodymium - [Xe]4f46s2Neon - [He]2s22p6Neptunium - [Rn]5f46d17s2Nickel - [Ar]3d84s2Nihonium - [Rn] 5f14 6d10 7s2 7p1 (predicted)Niobium - [Kr]4d45s1Nitrogen - [He]2s22p3Nobelium - [Rn]5f147s2s2Oganesson - [Rn] 5f14 6d10 7s2 7p6 (predicted)Osmium - [Xe]4f145d66s2Oxygen - [He]2s22p4Palladium - [Kr]4d10Phosphorus - [Ne]3s23p3Platinum - [Xe]4f145d96s1Plutonium - [Rn]5f67s2Polonium - [Xe]4f145d106s26p4Potassium - [Ar]4s1Praseodymium - [Xe]4f36s2Promethium - [Xe]4f56s2Protactinium - [Rn]5f26d17s2 Radium to Tungsten Radium - [Rn]7s2Radon - [Xe]4f145d106s26p6Rhenium - [Xe]4f145d56s2Rhodium - [Kr]4d85s1Roentgenium - [Rn]5f146d107s1Rubidium - [Kr]5s1Ruthenium - [Kr]4d75s1Rutherfordium - [Rn]5f146d27s2Samarium - [Xe]4f66s2Scandium - [Ar]3d14s2Seaborgium - [Rn]5f146d47s2Selenium - [Ar]3d104s24p4Silicon - [Ne]3s23p2Silver - [Kr]4d105s1Sodium - [Ne]3s1Strontium - [Kr]5s2Sulfur - [Ne]3s23p4Tantalum - [Xe]4f145d36s2Technetium - [Kr]4d55s2Tellurium - [Kr]4d105s25p4Tennessine - [Rn] 5f14 6d10 7s2 7p5 (predicted)Terbium - [Xe]4f96s2Thallium - [Xe]4f145d106s26p1Thorium - [Rn]6d27s2Thulium - [Xe]4f136s2Tin - [Kr]4d105s25p2Titanium - [Ar]3d24s2Tungsten - [Xe]4f145d46s2s2 Ununoctium to Zirconium Ununoctium - [Rn]5f146d107s27p6Ununpentium - [Rn]5f146d107s27p3Ununseptium - [Rn]5f146d107s27p5Ununtrium - [Rn]5f146d107s27p1Uranium - [Rn]5f36d17s2Vanadium - [Ar]3d34s2Xenon - [Kr]4d105s25p6Ytterbium - [Xe]4f146s2Yttrium - [Kr]4d15s2Zinc - [Ar]3d104s2Zirconium - [Kr]4d25s2 Reference: Element data from Wolfram Alpha, retrieved 06/09/2015 Cite this Article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Alphabetical Electron Configuration List of Elements." ThoughtCo, May. 2, 2021, thoughtco.com/electron-configuration-list-of-all-elements-606464. Helmenstine, Anne Marie, Ph.D. (2021, May 2). Alphabetical Electron Configuration List of Elements. Retrieved from https://www.thoughtco.com/electron-configuration-list-of-all-elements-606464 Helmenstine, Anne Marie, Ph.D. "Alphabetical Electron Configuration List of Elements." ThoughtCo. https://www.thoughtco.com/electron-configuration-list-of-all-elements-606464 (accessed March 21, 2023). copy citation