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[[File:2005 Liquid Hydrogen Bubble Chamber.jpg|200px|thumb||first track of a liquid hydrogen bubble chamber - Photo by John Wood.]]
[[File:2005 Liquid Hydrogen Bubble Chamber.jpg|200px|thumb|
Latest revision as of 15:57, 13 February 2013
A chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe
Pages in category "Hydrogen"
This category contains only the following page.