EntityQ73792· pop 25· linked from 148 articleschargeSign in to savegeneralization of electric charge (EM) adding color charge (QCD), mass-energy (gravitation), etc.; sometimes considered same as its charge quantum numberConnectionsspecial unitary groupEntitymagnetic monopoleEntityorthogonal groupEntitycommutatorEntityweightEntityphysicsEntitygravityEntitymassEntityInternational Standard Book NumberEntityelectric currentEntityelectric chargeEntityelectromagnetismEntityphotonEntityelementary particleEntityquarkEntityparticle physicsEntityStandard ModelEntitygroup theoryEntityelectromagnetic fieldEntityquantum field theoryEntityCategoriesElectromagnetismPhysical quantitiesQuantum chromodynamics