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HydrogenFineHyperfineLevels.svg de Fein und Hyperfeinstruktur des Wasserstoffatoms mit den resultierenden Strahlungsfrequenzen Quellen chemgapedia de vlu vscml html Image Finehyperfinelevels en Fine and hyperfine levels of the hydrogen atom with the resulting radiation frequencies German version Own Tiltec made using Inkscape