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Nuclear Decay Chain Calculator

Calculate and visualize radioactive decay chains with half-life calculations and isotope information.

Nuclear Decay Calculator
Calculate and visualize radioactive decay chains and their products over time
238Uα
Half-life: 4.468 billion years
Atomic Number: 92
Energy: 4.270 MeV
234Thβ-
Half-life: 24.1 days
Atomic Number: 90
Energy: 0.273 MeV
234Paβ-
Half-life: 6.7 hours
Atomic Number: 91
Energy: 2.197 MeV
234Uα
Half-life: 245500 years
Atomic Number: 92
Energy: 4.859 MeV
230Thα
Half-life: 75380 years
Atomic Number: 90
Energy: 4.770 MeV
226Raα
Half-life: 1600 years
Atomic Number: 88
Energy: 4.871 MeV
206Pbstable
Stable Isotope
Atomic Number: 82