01 About Uranium
The fuel for nuclear reactors. Naturally radioactive with a half-life of 4.47 billion years - as old as the Earth. U-235 is the fissile isotope used in weapons and most reactors.
02 Physical Properties
State at room temperature๐ชจ Solid
Melting point1135 ยฐC
Boiling point4131 ยฐC
Density19.1 g/cmยณ
Atomic mass238.029 u
Electron configuration2,8,18,32,21,9,2
Period / GroupPeriod 7 (f-block)
BlockF-block
03 Discovery
Uranium was discovered in 1789 by Klaproth.
As a actinide, U appears in the f-block of the periodic table and has complex electron configurations that make it chemically interesting. โ See nuclear elements on NexoHub
04 Nuclear Significance โข๏ธ
Uranium plays a significant role in nuclear physics and energy. Explore the nuclear elements on NexoHub โ
Uranium-235 is the primary fissile material in nuclear reactors and weapons. See the nuclear fuel cycle โ