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sweatingoutpd.com -Ra Element Radium is a chemical element with the symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals.
Ra Element facts and chemical and physical properties. It is somewhat more volatile than the element barium. Radium and its salts exhibit luminescence and impart a carmine color to flame. Radium emits alpha, beta, and gamma rays. It produces neutrons when mixed with beryllium. A single gram of Ra-226 decays at the rate of 3.7x10 10 disintegrations per second. [The curie (Ci) is defined to be the
Description, properties, symbol, uses, & facts. Radium, radioactive chemical element, the heaviest of the alkaline-earth metals of the periodic table. Radium is a silvery white metal that does not occur free in nature. Its most characteristic property is its intense radioactivity, which causes compounds of the element to display a faint bluish glow in the dark.
Element information, properties and uses. Radium was discovered in 1898 by Marie Curie and Pierre Curie. They managed to extract 1 mg of radium from ten tonnes of the uranium ore pitchblende (uranium oxide, U 3 O 8), a considerable feat, given the chemically methods of separation available to them.