Neptunium Pins and Buttons

Description: A sleek Neptunium design. Neptunium is a chemical element with symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. Its position in the periodic table just after uranium, named after the planet Uranus, led to it being named after Neptune, the next planet beyond Uranus. Brought to you by Periodic-Tees.com

Description: The actinides are not only radioactive, but they have been used in warfare. Little Boy was an uranium bomb dropped on Hiroshima and Fat Man was a plutonium bomb dropped on Nagasaki.