Uranium 238 Decay Series

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Uranium U Alpha 4.5x10 yrs 9

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Polonium Po Alpha 1.6x10 sec -4

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Radon Rn Alpha 3.82 days

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Lead Pb stable none

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Proctactinium Pa Beta 1.17 min.

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Lead Pb Beta 26.8 min

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Thorium Th Beta 24.1 days

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Thorium Th Alpha 8x10 yrs 4

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Polonium Po Alpha 3.05 min

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Bismuth Bi Beta 5.01 days

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Bismuth Bi Beta 19.7 min

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Lead Pb Beta 21 yrs

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Polonium Po Alpha days

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Uranium U Alpha 2.5x10 yrs 5

Element: Symbol: Atomic Number: Atomic Mass: Decay Particle: Half Life: Radium Ra Alpha 1,600 yrs