Which nuclear change results in the nucleus with the greatest specific charge?
The alpha decay of a 88226Ra^{226}_{88}\text{Ra}88226Ra nucleus
The beta-minus decay of a 614C^{14}_{6}\text{C}614C nucleus
The beta-plus decay of a 918F^{18}_{9}\text{F}918F nucleus
Electron capture by a 2655Fe^{55}_{26}\text{Fe}2655Fe nucleus