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No, it’s a legitimate answer to why all electrons have the same properties. This is the real answer according to our best modern theories of particle physics. It explains why all elementary particles appear to have fixed sets of properties.

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If its possible, can you explain please why electron only? What about other particles?

All particles are like that.

Then why article is about electron only?

What's true about all particles is also true about electron. There's also the myth that not all particles are equal.

Maybe I don't follow the consequence of your statement, but isn't the photon quite different from an electron? It has no mass & has no anti particle that we can identify. It's also an elementary particle that doesn't get combined like quarks to make the proton

That's the myth I refer to. Antiphoton exists, it's just symmetric enough and the same as photon.

It isn't.

> Electrons, like other elementary particles, are indistinguishable from each other.

They are the same article.

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