Since Natrium uses sodium as its coolant instead of water (the reason behind its name), it can use fast neutrons as well as thermal neutrons. As a result any isotope in the fuel that’s fissile ...

Oxygen-28 is not the only isotope where 20 neutrons no longer seem to be magic. In a phenomenon known as the island of inversion, isotopes of neon, sodium, and magnesium with 20 neutrons also show ...

Every sodium atom has 11 protons and 11 electrons. It has 11 positive charges and 11 negative charges. The mass number of an atom is its total number of protons and neutrons. The atomic number of ...