Is it a coincidence that quarks have exactly -1/3 or 2/3 the electron's charge?
48821
Why do electron and proton have the same but opposite electric charge?
52248
Why does the direction of a dipole moment go from negative to positive charge?
12645
The position of center of mass of electron cloud in an atom
29857
Why is this not a violation of parity invarance for EM
96805
Why is the Absolute Value of $3-π$ equal to $π - 3$
100870
In De Broglie's Explanation for Bohr's Quantization Condition, why do we not use 2πr = n λ/2, why do we use 2πr = n λ?
22958
Is there such a thing as charge density in quantum mechanics?
150365
Is electric charge truly conserved for bosonic matter?
94442
Fundamental particles identical or just differences very small?
37399
The temperature of an electron
24540
Experimental boundaries for size of electron?
131782
Which charge actually moves to constitute current? Positive or negative?
23836
Rigorous proof that $\frac{1}{3} = 0.333\ldots$
43659
Why is $\pi$ so close to $3$?
19597
Are all electrons identical?
122670
Explanation for $E~$ not falling off at $1/r^2$ for infinite line and sheet charges?
70090
What's the deepest reason why QCD bound states have integer charge?