You cause a particle to move from point A, where the electric potential is 17.7 V, to point B, where the electric potential is -22.3 V. Calculate the change that occurs in the particle's electrostatic potential energy, when the particle is an electron, a proton, a neutral hydrogen atom, and a singly ionized helium atom (i.e., lacking one electron from its neutral state). electron: proton: neutral hydrogen atom: J singly ionized helium atom: J

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