Declension of the word "hydrogen"

Singular and plural for Hydrogen, n, strong declension     

Singular
Plural
Singular
Nominativ (Wer? Was?)
das Hydrogen
Genitiv (Wessen?)
des Hydrogenes / Hydrogens
Dativ (Wem?)
dem Hydrogen / Hydrogene
Akkusativ (Wen? Was?)
das Hydrogen
Plural
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