Are all electrons the same?

If two particles have different properties, such as charge, mass, or spin they can be distinguished. The particle that is known to have a mass equal to 9.1093810-31 kg and a charge of -1.6021810-19 C is called an electron. The properties of an electron are unique to it. The elementary particles of electrons are called electrons. They are elementary particles and have no internal structure. So far, no signs have been found.
What would you do to make two electrons distinct? Let’s say I choose one tennis ball and name it “A”. But if I have ten tennis balls in front, and they are all moving, it is impossible for me to identify which one is ball “A”. What can I do? You could stick a sticker to my tennis ball so that I would be able to recognize it no matter where it went. Can the same approach be used for an electron? Even if you don’t physically touch an electron, sticking a sticker onto one would indicate that it has an internal structure. There is “particle+sticker” now. It is now an elementary particle. It is therefore impossible to distinguish between electrons.

You brought up this question because of the differing energies electrons possess within a molecule. True, certain electrons in a bound condition have lower energy than others. This energy is not actually the intrinsic energy an electron has. This is due to the interaction between the electrons surrounding our chosen electron and the nucleus. 511 MeV is the characteristic energy of each electron. Each electron is located within a molecule in a potential hole created by nuclei, simple electrostatic interaction. The electron’s potential energy is lower the deeper it is in the potential well. This makes it less reactive. However, the electron is not any different from the other.

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