Why do electrons orbit protons?
112625
Reduced mass in quantum physics (Hydrogen Atom)
2305
Why are orbits elliptical?
5628
Do electrons have shape?
99550
We know that the protons in a nucleus are positively charged. So why does the nucleus stay intact?
98902
How can particles be emitted from particles?
76757
How do photons know they can or can't excite electrons in atoms?
128619
Why does an electron shell further away from nucleus has higher energy level?
25262
Why can we apply the $E=hf$ equation for electrons?
100430
How does electron move around nucleus?
51351
Where do symmetries in atomic orbitals come from?
18981
What's inside a proton?
27803
Why are photoelectrons emitted in the direction of incident photons?
115503
Do electrons move around a circuit?
134962
What causes the Pauli exclusion principle (and why does spin 1/2 = fermion)?
103399
How does orbital math work?
44624
Why do non-hydrogen atomic orbitals have the same degeneracy structure as hydrogen orbitals?
81496
How do electrons get a charge?