Element:Np
From Metabolomics.JP
Atomic Number
93
Atomic Name
Neptunium(ネプツニウム)
Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 237Np | 2.144 x 106 years | alpha, SF |
| 239Np | 2.3565 days | beta- |
