Like how can there be an anti-particle for a neutron, if it has no charge? And can there be an “anti-person” that’s made purely of antiparticles (positrons and antiprotons)?
In: Physics
There is nothing special about electric charge. In antiparticles all charge-like quantities are reversed. A particle is its own antiparticle if all these quantities are zero, otherwise it has a distinct antiparticle.
Neutrons have a baryon number of 1, so there has to be an antineutron with a baryon number of -1. You don’t need to know about quarks for that.
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