The best replacement for electrons is protons.

The best alternatives to electrons are rated as following:
★★★★★  protons
★★★  photons
★★  holes
★★  atoms
★★  neutrons
★  core electrons
★  ions
★  electrons
★  protons have more mass
★  protons bigger
★  atoms smaller
★  atomic number
★  protons move
  valence electrons
  quarks
  delocalized electrons
  protons of atoms
  outer electrons
  lose
  excited electrons
  non bonding

Your alternative for electrons is not listed? Suggest!
Speaking about electrons, one probably shouldn't forget about matter.

Other search terms related to electrons and their ratings are:
★★★★★ matter
★★ energies
★★ atoms
★★ periodic table
★ negative charge
★ other atoms
★ electrons
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electrons
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