What makes neutron heavier than a proton?
78610
What's with the very slightly larger mass of the neutron compared to the proton?
45611
Why are all force particles bosons?
102336
Size and density of neutron stars
74211
Protons and Neutrons Overshoot Actual Mass?
90917
Why do we have an elementary charge but no elementary mass?
79571
How can the nucleus of an atom be in an excited state?
52974
Why are the higher angular momentum states of a hydrogen atom closer to the nucleus?
78151
How did Rutherford conclude that most of the mass (as well as the positive charge) was concentrated in the nucleus?
122297
What is the pressure at the center of the Earth? (Or a neutron star)
59594
Binding energy and mass
90766
Why are alpha particles such a prominent form of radiation and not other types of nucleon arrangement?
123702
How large can an atom get? What's the farthest an electron can be from its nucleus?
60172
How to explain $E=mc^2$ mass defect in fission/fusion?
18171
Why do electrons occupy the space around nuclei, and not collide with them?
26670
Explain how (or if) a box full of photons would weigh more due to massless photons
65476
Is it possible to have a Gas heavier than a liquid?
16817
What would happen to a teaspoon of neutron star material if released on Earth?