How to use in-sentence of “radium”:
+ It was discovered by Marie Curie and Pierre Curie in the form of radium chloride in 1898.
+ A famous winner of this prize was Marie Curie 1911, who discovered radium with her husband Pierre.
+ It included things such as americium from smoke detectors, thorium from camping lantern gas mantlemantles, radium from clocks, and tritium from gunsights.
+ Pitchblende contains a small amount of radium as a radioactive decay product of uranium.
+ Common examples of elements that make these changes we call radioactivity are radium and uranium.

