WebMar 13, 2014 · You calculate the half-life from the amount of material that disappears in a given time. Half-life (t_½) is the time required for the nuclei to decay to half of the original amount. Radioactive nuclei decay according to the equation: Equation 1: N_t /N_0 = e^(—λt), where N_0 is the initial number of nuclei at time t = 0. N_t is the number of … WebMar 23, 2024 · The only thing we know is that in the time of that substance's half-life, half of the original nuclei will disintegrate. Although chemical changes were sped up or slowed …
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