Element:Ra

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Atomic Number

88

Atomic Name

Radium(ラジウム)

Stable Isotopes

isotope	mass	isotopic abundance (%)

Radioisotopes

isotope	half life	disintegration form
224Ra	3.66 days	alpha
226Ra	1.600 x 106 years	alpha
228Ra	5.75 years	beta-

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