Content deleted Content added
bad crop |
Undid revision 1235491127 by Zzzs (talk): Revert per WP:3RR; cropped because the image was too wide to work for previews otherwise, and it emphasizes the color of the hydrogen in comparison to the blue parts of the gas tube. Don't know why the crop is bad |
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|below=[[Lithium|Li]]
|appearance=Colorless gas
|image name=File:Hydrogen discharge tube cropped.jpg
|image upright=1.35
|electrons per shell=1
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