The radioactive element was observed by many scientists around the world.
You can just put something in the sentence that is going to be radioactive that's all.
Uranium is naturally radioactive.
Francium is a "radioactive" element.
The X-Ray machine is radioactive
That area will be radioactive for a long, long time.
Radioactive substances are the things that put off radiation. These could be radioactive waste, or even radioactive materials not yet used.
Radioactive elements always emit hazardous radiations.Lead metal absorbs these radiations .Hence we put any radioactive element in a lead chamber.
"The radioactive decay of certain unstable isotopes is used to calculate the age of objects."
radioactive waste go somewhere probally in a labratory
Cancer usually requires some form of radioactive treatment, such as one of the most infamous methods, chemotherapy.
i can put nomad in a sentence
can you put "leadership" in sentence