A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.
    

concept

Marie and Pierre Curie, he holding up a glowing specimen of radium. Colour lithograph by Vincent Brooks, Day & Son after J. M. Price [Imp, JMP], 1904.

Radium, and other radio-active substances : polonium, actinium, and thorium. With a consideration of phosphorescent and fluorescent substances, the properties and applications of selenium, and the treatment of disease by the ultra-violet light / by William J. Hammer.

Radium.

Radium

Images

Catalogue

Radium, and all about it / by S.R. Bottone.

Medical uses of radium : summary of reports from research centres for 1932 / [Radiology Committee].

Medical uses of radium : summary of reports from research centres in 1925 / [Radiology Committee].

L'azione del radio nello sviluppo primaverile delle uova del baco da seta / C. Acqua, R. Pirotta.

X-rays and radium in the treatment of diseases of the skin / by George M. MacKee.