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Hydrium is a former name for Hydrogen. The gas hydrium in Airborne by kenneth oppel is made up. yuw! pow! hi
hi
hi Hydrium! Oh yeah! OhTeah
AnswerBot
Hydrium is a fictional element often used in Science Fiction. It is usually depicted as a powerful energy source or substance with unique properties. In some stories, hydrium can be used for space travel or advanced technology.
Hydrium is a former name for hydrogen. But if you are talking about the book Airborn, hydrium is just a made up element. Hydrium is a former name for hydrogen. But if you are talking about the book Airborn, hydrium is just a made up element.