27.2 Kinetics of Radioactive Decay

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Kinetics of Radioactive Decay

KINETICS OF RADIOACTIVE DECAY
Radioactive
Decay
N = present number of nuclei
N0 = initial number of nuclei
λ = decay constant
SI Unit = Bq = 1decay / s
1Ci = 3.7×1010 decays / s
Half-Life

• Half-Life – Time required for the mass of a nuclide to decay to half its initial mass

27.2 kinetics slopes