Interesting Facts
Sources
Who Discovered
Discovery
Abundance In Universe
Abundance In Sun
Abundance In Meteorites
Abundance In Earth's Crust
Abundance In Oceans
Abundance In Humans
Neptunium was the first transuranium element to be discovered.
Made by Bombarding Uranium with Neutrons, Ores of metals
Edwin McMillan and Philip H. Abelson
Nihonium is a synthetic chemical element and is highly radioactive.
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory