Disambiguation

Radium

Radium may refer to one of the following:

Science

Radium — Chemical element with symbol Ra, atomic number 88
Radium-226 — Most stable isotope of radium, used in radiotherapy
Radium-223 — Isotope used in cancer treatment (Xofigo)
Isotopes of radium — Isotope used in medical applications

Other

Radium Girls — Female factory workers who painted watch dials with radium

Select a meaning to read its article.