Talk:Hydrogen/Periodic table of elements: Revision history

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6 March 2024

11 June 2008

  • curprev 20:1720:17, 11 June 2008‎ imported>David Yamakuchi‎ m 295 bytes +295‎ New page: Hi Hayford, Hydrogen is sometimes placed at the top of the Halogen group on periodic tables in addition to or instead of at the top of the Alkali Metals group. I'm not really sure of all...
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