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3

I will show this with a simple $Na^+$ and $Cl^-$ atom configuration. $Na$ atom loses an $e^-$ to become +vely charged. And the $Cl$ atom gains an electron to become -vely charged. Hence the charge on an electron is transferred.

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We know that proton and neutron are attracted by quarks force in neuclus ,and electron is felt short range force that,s why electron is revolving around protons

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Answer to this question is only by understanding and not proof. If the Universe is expanding then I say Yes, to that the Matter is also expanding. Explanation for this is, all the Matter is expanding means, even the scale to measure the Matter is also expanding. Consider a small Example: A rectangular wooden block is expanding, Measure the initial ...

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