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. 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. our editorial process Facebook Facebook Twitter Twitter Anne Marie Helmenstine, Ph.D. Updated 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). 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 - [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]5f76d17s2Darmstadtium - [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 - 1s1Indium - [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 - [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]5f26d17s2Radium - [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]4f145d46s2s2Ununoctium - [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, Feb. 16, 2021, thoughtco.com/electron-configuration-list-of-all-elements-606464. Helmenstine, Anne Marie, Ph.D. (2021, February 16). 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 April 18, 2021). copy citation