Q. What is radium utilized for?
Answer:-
Radium was previously used in self-luminous paints for nuclear panels, watches, clocks, aircraft switches and instrument dials. In excess of 100 former watch dial painters who used their lips to shape the paintbrush died from the radiation from the radium that had happen to stored in their bones. Soon then the adverse effects of radioactivity became widely known. Radium was still utilized in dials as late as the 1950s. Even though tritium's beta radiation is potentially dangerous if ingested it has replaced radium in these applications.