Science, Tech, Math › Science Electron-Sea Model Definition Chemistry Glossary Definition of Electron-Sea Model Share Flipboard Email Print The electron sea model describes the fluid nature of electron flow in metals. Stanislaw Pytel / Getty Images Science Chemistry Chemical Laws Basics Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry 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 26, 2018 Definition: The electron sea model is a model of metallic bonding in which cations are considered to be fixed points within a mobile 'sea' of electrons.