Uses
Radium chloride is still used for the initial stages of the separation of radium from barium during the extraction of radium from pitchblende. The large quantities of material involved (tonnes of ore for milligrams of radium) favour this less costly (but less efficient) method over those based on radium bromide or radium chromate (used for the later stages of the separation).
It is also used in medicine to produce radon gas which in turn is used as a cancer treatment.
Read more about this topic: Radium Chloride
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