How do we know that the charges in an electron and a proton are equal?
48821
Why do electron and proton have the same but opposite electric charge?
111445
Why is a proton assumed to be always at the center while applying the Schrödinger equation?
77905
Why does an atom remain uncharged after emission of an alpha particle?
44302
Deriving the Coulomb force equation from the idea of photon exchange?
78151
How did Rutherford conclude that most of the mass (as well as the positive charge) was concentrated in the nucleus?
96923
Why do electrons orbit protons?
109438
Finding net magnetic and electric force on charged particle
33784
Is it a coincidence that quarks have exactly -1/3 or 2/3 the electron's charge?
109813
Why are potential differences equal across two capacitors in parallel, but charge on each capacitor is not?
61686
Noether's first theorem and classical proof of electric charge conservation
102563
Precision of Coulomb's law
6709
Origin of electric charge
74797
Why are there $1 / 1.602176634 \times 10^{-19}$ electrons in a coulomb?
19597
Are all electrons identical?
124763
Distinguishing identical particles
3808
Why do same/opposite electric charges repel/attract each other, respectively?
60969
What is in the space between a nucleus of an atom and its electrons?