TeachMeFinance.com - explain Radium (Ra)
Radium (Ra) The term 'Radium (Ra)' as it applies to the area of nuclear science can be defined as ' A radioactive metallic element with atomic number 88. As found in nature, the most common isotope has a mass number of 226. It occurs in minute quantities associated with uranium in pitchblende, camotite, and other minerals. '.
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