Input interpretation
At-217 | decay constant
Result
21.5 per second
Decay properties
half-life | 32.3 ms (milliseconds) (31.87 to 32.73 ms) mean lifetime | 46.6 ms (milliseconds) (45.98 to 47.22 ms) decay constant | 21.5 per second specific activity | 5.96×10^10 TBq/g (terabecquerels per gram) width | 1.41×10^-14 eV (electronvolts) decay modes | α (alpha emission) | β^- (electron emission) final decay products | Tl-205 (100%)
Unit conversion
0.0215 per millisecond
Corresponding quantities
Lifetime from τ = 1/λ: | 47 ms (milliseconds)
Half-life from t_(1/2) = log(2)/λ: | 32 ms (milliseconds)