Uranium is radioactive.
- Uranium (238)
- Uranium (235)
- Cobalt (60)
- Iron (55)
- Sodium (22)
- Cobalt (57)
- Iodine (125)
- Iron (59)
- Iodine (131)
- Sodium (24)
- Plutonium (238)
The definition of radioactive is something that gives off energy waves called radiation.
Naturally Occurring Radioactive Elements
Radioactive Elements Used for Science
Radioactive Elements for Energy and Bombs
An example of radioactive is the element Plutonium which is used for nuclear bombs.
Origin of radioactiveradio- + active
- Of, exhibiting, or caused by radioactivity.
- Informal Extremely sensitive or controversial: “Perhaps race is now too radioactive a topic, in an era of political correctness” (David Nyhan).
- Exhibiting radioactivity.