Element:Ra
From Metabolomics.JP
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- |