Alpha & Beta Decay Equations IGCSE Alpha decay: complete the following equations 238U 234Th He 90 Ra 218Rn He 88 86 208Po Pb He 84 256Lr Md He 103 101 Beta decay: complete the following equations 234Th Pa 0e 90 1 131I Xe 0e 53 54 1 6He Li 0e 2 1 Na Mg e 12 Alpha or beta decay? You decide which is which: 201Au 79 decays to 201Hg 80 231Pa 91 185 Au 79 decays to 181Ir 77 52Fe 26 decays to decays to 227 Ac 89 52Co 27 Alpha & Beta Decay Equations IGCSE Alpha decay: complete the following equations 238U 234Th He 90 Ra 218Rn He 88 86 208Po Pb He 84 256Lr Md He 103 101 Beta decay: complete the following equations 234Th Pa 0e 90 1 131I Xe 0e 53 54 1 6He Li 0e 2 1 Na Mg e 12 Alpha or beta decay? You decide which is which: 201Au 79 decays to 201Hg 80 231Pa 91 185 Au 79 decays to 181Ir 77 52Fe 26 decays to decays to 227 Ac 89 52Co 27