I think this is simply adding/subtracting electrons to alter the charge, right?
I'm reading fast, but that's what I deduced from it.
http://en.wikipedia.org/wiki/Ionization
Printed copy · Anthology Volume 2, page 1023Printed copy from The Tender For Law Anthology, Volume 2, page 1023 (printed 14 June 2014). Added by this site; not part of the Facebook export.