Deuterium is an isotope of Hydrogen containing 1 neutron, 1 proton, and 1 electron. This isotope of hydrogen is an essential part of Nuclear Fusion. This article is a stub, and may need more information. You can help Space Wiki by expanding it. Retrieved from "https://space.fandom.com/wiki/Deuterium?oldid=9708" Categories: Article stubs Science Hydogen Fusion Needs picture Community content is available under CC-BY-SA unless otherwise noted.