天然放射性核種
釷Th 4n
錼Np 4n+1
鈾U 4n+2
錒Ac 4n+3
https://www.slideserve.com/cahil/3520157
41.237Np(Z=93)最後會衰變為下列何者? (A)208Pb(..-阿摩線上測驗
This is a large modal.