Element:Pa
From Metabolomics.JP
Atomic Number
91
Atomic Name
Protactinium(プロトアクチニウム)
Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 231Pa | 3.276 x 104 years | alpha |
| 233Pa | 26.967 days | beta- |
