1 Facts
1.1 Interesting Facts
Not Available
1.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
1.3.2 Discovery
In 1940
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans