How to Use "radioactive" with Example Sentences

1. Radioactive iodine loses half its strength in a week .

2. The unstable element , which will remain radioactive for millennia , is the residue of ill-fated efforts to recycle used nuclear fuel .

3. But radioactive waste is a serious unresolved issue .

4. Some byproducts of the nuclear fission are themselves radioactive .

5. The phenomenon is called radioactive fallout .