327
Theodrule
(lemmy.blahaj.zone)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
I used nothing but about 20 Wikipedia pages lol. It would be more if I also checked the less common decay path but that's <2% at most.
Came upon this Android app https://github.com/IAEA-NDS/IsotopeBrowser/releases
Playstore link https://play.google.com/store/apps/details?id=iaea.nds.nuclides