[Rosemarry]

I think I understand all that you guys have just said, but somehow my fundamental question is still here.
Let me try it again.

The physics book says that an electron is a particle of matter. It has mass and charge. The way you talk about it though, you make it sound as though the electron was just energy.
Is it matter or is it energy?
If it is energy, then how can there be a positive electron (positron) ?
If it is matter, how can it just "flow" across a copper wire?
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