92U
Element 92
Uranium
Actinides
Uranium is a chemical element with symbol U and atomic number 92.
Key data
- Atomic number
- 92
- Atomic mass
- 238.029 u
- Group / Period
- 3 / 7
- Block
- f-block
- Phase at STP
- Solid
- Density
- 19.1 g/cm³
- Melting point
- 1132.2 °C
- Boiling point
- 4130.9 °C
- Electron configuration
- [Rn] 5f3 6d1 7s2
Common uses
- •Nuclear power
- •Nuclear weapons
- •Geological dating
Discovery
Year: 1789
Discovered by: Martin Heinrich Klaproth
Frequently asked questions
What is the atomic number of Uranium?
Uranium has atomic number 92. Its symbol is U and its atomic mass is 238.029 u.
What category of element is Uranium?
Uranium is classified as actinides. It sits in group 3, period 7 of the periodic table.
What is Uranium used for?
Common uses of Uranium include: Nuclear power, Nuclear weapons, Geological dating.
When was Uranium discovered?
Uranium was discovered in 1789 by Martin Heinrich Klaproth.
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