Note that article uses a superscripted dot <sup>•</sup>OH, and the dot is usually prefixed in the article (presumably so as to put the dot next to the O that doesn’t have a full shell?).
However the article sometimes suffixes the dot, to put it beside the R organic radical. Weird.
https://en.wikipedia.org/wiki/Hydroxyl_radical “Notation: The unpaired electron of the hydroxyl radical is officially represented by a middle dot, •, beside the O.”
Note that article uses a superscripted dot <sup>•</sup>OH, and the dot is usually prefixed in the article (presumably so as to put the dot next to the O that doesn’t have a full shell?).
However the article sometimes suffixes the dot, to put it beside the R organic radical. Weird.