- A silver-white radioactive metallic element whose atomic number is 92. It is very dense, malleable, and ductile, and is a poor conductor of electricity. It is highly reactive, extremely toxic, and has over 20 known isotopes, all unstable. Its applications include its use as a source of nuclear power, and for conversion into plutonium. Its chemical symbol is U.
- chemical symbol U
Not what you were looking for?