Why don't electrons and protons collide inside Atom?
11816
Why don't electrons crash into the nuclei they "orbit"?
30883
Why can't energy be created or destroyed?
82218
Do we really not know why atoms 'decide' to produce a photon?
5848
How come neutrons in a nucleus don't decay?
150985
Why can't the Klein-Gordon equation explain the hydrogen atom but the Dirac equation does?
155146
Ejected Electrons with 0 KE?
69799
Why, fundamentally, are particles charged?
48821
Why do electron and proton have the same but opposite electric charge?
76757
How do photons know they can or can't excite electrons in atoms?
138390
Why only light nuclei are able to undergo nuclear fusion not heavy nuclei?
9583
If electrons were positive and protons were negative, would life be different?
19384
the type of movement in electron jump between levels?
96923
Why do electrons orbit protons?
50575
Collisions in space/vacuum
65294
Can an electron be in two places at the same time?
50920
Is there an electric field around neutral atoms?
123963
How exactly do protons and electrons interact with each other?