Element radium
Radium is a metal A gloss white, Glow itself A highly radioactive And a small amount of additives found in ore containing uranium, radium has 13 isotopes with mass number between 213 and 230 is the highest radium-226 isotope has a half-life of 1,622 years, the use of radium in radiation oncology (cancer) use. research neutron source And never mix the colors glow.
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