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  • Thumbnail for Chlorine
    Chlorine (category WikiProject Elements pages using ENGVAR)
    anhydrous hydrogen fluoride does not proceed to completion. Dichlorine heptoxide (Cl2O7) is the anhydride of perchloric acid (HClO4) and can readily be...
    113 KB (12,719 words) - 19:41, 20 March 2024
  • Thumbnail for Iodine
    Iodine (category WikiProject Elements pages using ENGVAR)
    HIO4. Attempting to go further does not result in the nonexistent iodine heptoxide (I2O7), but rather iodine pentoxide and oxygen. Periodic acid may be protonated...
    106 KB (11,773 words) - 19:22, 15 April 2024