What is deuterium and why is it used in nuclear reactions?
Definition of Deuterium Deuterium, symbolized as D or ²H, is one of the two stable isotopes of hydrogen, the simplest and lightest element on the periodic table. Unlike the most common hydrogen isotope, protium (¹H), which contains only a single proton, deuterium’s nucleus consists of one proton and one neutron. This additional neutron nearly doubles […]