This question already has an answer here:
Do quantum physics apply universally at all scales?
Where do quantum physics apply?
Does the nucleus of an atom abide by the laws of quantum physics?
Like do we know the definitive/velocity position of a proton or that of a neutron-proton pair?
In other words, to which bodies does the Uncertainty Principle apply?
Are there wave functions for neutrinos, protons, neutrons, quarks or just for electrons?
And can you make a wave function for a larger body such as a molecule?
Where is the limit?