Here you’ll find 1 Chemical Elements that start with U that begin with U, organized from “Uranium” to “Uranium”. Uranium is a dense, radioactive metal used mainly in nuclear fuel and historically significant for atomic research.
Chemical Elements that start with U are elements whose English names begin with the letter U. Uranium stands out as the best-known example because of its role in nuclear power and modern history.
Below you’ll find the table with atomic number, atomic weight, and discovery year.
Atomic number: Shows the number of protons in the nucleus; you can use it to sort elements by chemical identity.
Atomic weight: Gives the standard atomic mass with three decimals so you can compare relative masses for calculations and reference.
Discovery year: Lists the year or era when the element was first reported, helping you place it in historical context.
Chemical Elements that start with U
| Name | Atomic number | Symbol | Standard atomic weight (u) | Description |
|---|---|---|---|---|
| Uranium | 92 | U | 238.03 u | Discovered 1789 by Klaproth; naturally occurring. Heavy radioactive metal used as nuclear fuel, in weapons, and for radiometric dating; once used to color glass. Symbol U; not to be confused with temporary systematic names. |