Internal charge is neither positive nor negative its topological charge, It is proportional to the force needed to hold together the rotating EM mass. If we break nuclear flux then we get a left and a right winded part that we name positive or negative. As soon as people talk of an electron then the nature of the charge is given.
Pure Coulomb charge like actions only can be seen in the far field where the flux no longer couples. But keep in mind that the Coulomb force always is a first order approximation of a basic magnetic action.
So this is how pico-chemistry becomes a valid and clear middle ground between chemical and nuclear decay transmutations. A resonant island of stable bonds in a metal atom's (like Fe, Mn, Cu or Ni) depths for an H* or four.