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Joined 11 March 2014
Latest comment: 9 years ago by Snipre in topic Hydrogen
Hydrogen edit
Please don't add identifiers of dihydrogen (Q3027893) on the item of hydrogen (Q556): your CAS number is valid for H2, dihydrogen, not for the element hydrogen. Snipre (talk) 07:24, 15 July 2014 (UTC)