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Hydrogen (version 1) - Periodic Table of Videos
A newer version of our hydrogen video can be found at http://www.youtube.com/watc...
Ready for a big bang? Hydrogen is the first element on the periodic table and the most abundant element in the ...
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Do over... you misspoke or are quite misinformed...
that'd be closer to the density of air.
Only nitrogen is what I am wondering about.