Category:Hydrogen
From GHN
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| − | + | [[File:Hydrogen 2005 Liquid Hydrogen Bubble Chamber.jpg|200px|thumb|right|The first track of a liquid hydrogen bubble chamber - Photo by John Wood.]] | |
| − | [[File:Hydrogen 2005 Liquid Hydrogen Bubble Chamber.jpg|200px|thumb|right| | + | |
| + | A chemical element with the symbol H and the atomic number of 6. It constitutes 75% of the known mass of the universe | ||
[[Category:Elements|{{PAGENAME}}]] | [[Category:Elements|{{PAGENAME}}]] | ||
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
