Radioactivity is discovered on uranium.
Yes, uranium is a radioactive element.
Yes, uranium is a natural but radioactive element.
Uranium is unstable, radioactive element.
Uranium is toxic and radioactive; leakages of uranium from mines and plants are dangerous.
Marie Curie. Uranium was discovered in 1789 by the German chemist Martin Heinrich Klaproth working in Berlin.
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.
Uranium is a natural chemical element, situated in the actinides group; uranium is a solid metal, radioactive.
The isotope 234 Th.
Uranium is a natural chemical element, metal, radioactive.
Uranium is a natural chemical element, a metal and is radioactive.