Why does changing the number of protons cause such a fundamental change in an element?
138552
Why does amount of protons define how matter is?
96923
Why do electrons orbit protons?
130727
Is there oscillating charge in a hydrogen atom?
98184
Can a photon be absorbed by a proton?
79860
What causes atoms to have their specific colors?
59594
Binding energy and mass
111974
Strange modulation of radioactive decay rates with solar activity
134962
What causes the Pauli exclusion principle (and why does spin 1/2 = fermion)?
30229
Stable Nuclei - Deviation from equal protons and neutrons
90917
Why do we have an elementary charge but no elementary mass?
45397
Why is the (free) neutron lifetime so long?
102648
Change of flavour, Weak interaction
155484
Quantum mechanical picture of "electrons orbiting the nucleus"
86295
Creation and annihilation operators in the hydrogen atom
40485
Benefits and Drawbacks of Swapping Associations of Positivity and Negativity of the Proton and Electron
123260
How massive can an atom get?
123091
Is the "protophobic fifth force" observed in nuclear decays a new fundamental force?