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proton comparison table

Subject	is part of	is a kind of	has quantum behavior	has number of quark	is an instance of	obey	has mass	has definition	has charge	has lifetime	has symbol	has composition	is accelerated by
charged particle		particle				uncertainty principle		A particle with non-zero charge	non-zero				electric or magnetic fields
elementary particle		particle				uncertainty principle		A particle considered to be fundamental, i.e. not composite, a particle which cannot be separated into components
nucleon	nucleus	charge multiplet	Fermi-Dirac statistics	3		exclusion principle	939 MeV	The generic name for the proton and the neutron.		-has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press
nucleus	element	charged particle				uncertainty principle		The massive, positively charged central part of an atom, composed mainly of protons and neutrons, around which the electrons revolve. The radius of an atomic nucleus is directly proportional to the cube root of its mass. Density at least 1014 g cm-3. Radius 10-12-10-13 cm.	non-zero				electric or magnetic fields
proton	nucleus		Fermi-Dirac statistics	3	charged particle	uncertainty principle	939 MeV	A positively charged elementary particle; the nucleus of a hydrogen atom. Mass of proton 1.00728 amu = 1.6726 × 10-24 g = 1836.12 me.	1	-has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press	p	two up quarks and one down quark	electric or magnetic fields

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