astatoniumH₂At100%astatonium, astatoniumAstatonium is the conjugated acid of hydrogen astatide.Space reserved for adsPhysical characteristicsMolecular mass 212Reactions using astatoniumastatonium + water → oxonium + hydrogen astatideCompound added to the database on December 15, 2024, last modified on December 15, 2024.