Input interpretation
![Fm-259 | half-life](../image_source/03eadf931b57c07af593b46597d76f53.png)
Fm-259 | half-life
Result
![1.5 seconds (1.17 to 1.83 s)](../image_source/740a6818897d13b1816c7d9fffe52274.png)
1.5 seconds (1.17 to 1.83 s)
Decay properties
![half-life | 1.5 seconds (1.18 to 1.82 s) mean lifetime | 2.2 seconds (1.71 to 2.62 s) decay constant | 0.45 per second specific activity | 1.1×10^9 TBq/g (terabecquerels per gram) width | 3×10^-16 eV (electronvolts) decay modes | SF (spontaneous fission)](../image_source/3f89670b4dd4391d00b953647b675c1d.png)
half-life | 1.5 seconds (1.18 to 1.82 s) mean lifetime | 2.2 seconds (1.71 to 2.62 s) decay constant | 0.45 per second specific activity | 1.1×10^9 TBq/g (terabecquerels per gram) width | 3×10^-16 eV (electronvolts) decay modes | SF (spontaneous fission)