Can an atomic nucleus contain both particles and antiparticles?
125791
What happens if we put together a proton and an antineutron?
18171
Why do electrons occupy the space around nuclei, and not collide with them?
134269
Nuclear physics study materials
105784
Binding energy of a nucleus is positive?
82927
What is "pure energy" in matter-antimatter annihilation made of?
119217
If particles are points, then aren't atoms empty space?
60701
Adding many more neutrons to a nucleus decreases stability?
113599
A proton and antiproton annihilate at rest into pions
6022
Are the protons and neutrons in the nucleus arranged in any particular way?
1363
What stabilizes neutrons against beta decay in a neutron star?
8241
Why doesn't the deuterium nucleus have spin $0$?
26354
Is anti-matter matter going backwards in time?
136839
Is there a known isotope that generates anti-matter?
99680
The Dual Nature of Matter
60969
What is in the space between a nucleus of an atom and its electrons?
30229
Stable Nuclei - Deviation from equal protons and neutrons
66987
Positron-electron annihilation - can more than two photons be created?