[WildTurkey]

So, probably by the time they have reached their "first bounce", they may be either positively or negatively charged.

How would they become negatively charged?

[CarrotAndStick]

http://www.newton.dep.anl.gov/askasci/gen01/gen01159.htm


Hey Einstein, where in this link you provided is the mention of ordinary batteries obeying the E = mc^2 equation?

Apparently, my substandard education in the English language came of no help in this regard.

[Wonder Warthog]

"How would they become negatively charged?"

By grabbing electrons from other atoms. Many of the fission product nuclei are halogens (I-131 for example), and the final preferred charge state of any halogen to be negatively charged.