This issue suggests a hypothesis about the structure of electron and attempts to explain the dualism in its properties. According the author’s theory, coexistence of matter and antimatter in the electron is the unity of opposites, and the struggle of opposites under certain conditions leads to the disappearance of the particle due to the annihilation of particles and the transition to a state of an electromagnetic wave with other opposites. It is not correct to say: "Electron exhibits the properties of particles and waves." It is correct to say: "Electron is either particle or wave."

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R.Kamliya, The unity of Matter and Antimatter