Probably you think at radium.
Yes, uranium is a radioactive element.
Yes, uranium is a natural but radioactive element.
Uranium is unstable, radioactive element.
Radioactivity is discovered on uranium.
Uranium ia a radioactive and toxic element.
Probably uranium is the best known radioactive element.
Uranium is an example of an actinde; also uranium is a solid metal, radioactive, a natural chemical element.
Normally Uranium but some other radioactive materials are occasionally used.
Uranium is a natural chemical element, situated in the actinides group; uranium is a solid metal, radioactive.
1. Uranium is a possible polluting agent of the natural environment. 2. Uranium is a toxic and a radioactive chemical element. 3. Uranium release radium and radon. 4. Radioactive wastes are dangerous and need to be isolated.
All the isotopes of uranium are radioactive and unstable.
A radioactive element is one that discharges radiation. Uranium is a radioactive element. A radioactive element is very dangerous if you don't have protective clothing. You should never go near a radioactive element.