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WikiProject Chemistry (Rated Stub-class, Mid-importance)
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Could someone please explain the phrase "and Y is any X, or a true halogen"? —Preceding unsigned comment added by (talk) 18:19, 13 June 2010 (UTC)

It means: Y can be either a pseudohalogen or a true halogen. --kupirijo (talk) 11:21, 13 February 2011 (UTC)


Although symmetric, I do not think azidodithiocarbonate is a pseudohalogen. Your opinion please. --kupirijo (talk) 11:30, 13 February 2011 (UTC)


It's been described as resembling the halogens (this was when it was still thought to be Re). Double sharp (talk) 05:55, 16 August 2013 (UTC)

Similarly for auride (Au), come to think of it. Is platinide (Pt2−) thus a pseudochalcogen? Double sharp (talk) 07:09, 25 November 2013 (UTC)


Isn't hydroxyl-ion a pseudo-halogen as well? In rocks it widely substitutes for halogen ions. — Preceding unsigned comment added by (talk) 00:49, 20 January 2016 (UTC)