EntityQ3344455· pop 6· linked from 27 articlesspectroscopic notationSign in to saveformat for notating atoms and moleculesConnectionselectron configurationEntityatomic orbitalEntityterm symbolEntitycarbonEntityheliumEntitychemical elementEntityelectronEntityInternational Standard Book NumberEntityionEntityRoman numeralsEntityalkali metalEntityquarkEntityspectroscopyEntitymesonEntitymolecular orbitalEntitypositroniumEntityazimuthal quantum numberEntityprincipal quantum numberEntitymolecular symmetryEntityquarkoniumEntityCategoriesAtomic physicsSpectroscopy