Proton
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A proton is a stable subatomic particle, symbol
p
, H⁺, or ¹H⁺ with a positive electric charge of +1 e. Its mass is slightly less than the mass of a neutron and 1,836 times the mass of an electron. Protons and neutrons, each with masses of... Wikipedia
Amu: 1.0072766 a.m.u.
Classification: Baryon
Composition: 2 up quarks (u), 1 down quark (d)
Electric dipole moment: < 2.1×10−25 e⋅cm
Electric polarizability: 0.00112(4) fm3
Family: Hadron
Interactions: Gravity, electromagnetic, weak, strong