Element:Np
From Metabolomics.JP
(Difference between revisions)
Latest revision as of 20:00, 27 February 2008
[edit] Atomic Number
93
[edit] Atomic Name
Neptunium(ネプツニウム)
[edit] Stable Isotopes
| isotope |
mass |
isotopic abundance (%)
|
| |
|
|
[edit] Radioisotopes
| isotope |
half life |
disintegration form
|
| 237Np |
2.144 x 106 years |
alpha, SF
|
| 239Np |
2.3565 days |
beta-
|