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You have selected a polyatomic anion or other compound.
These are not acids.
These are not acids.
Naming Inorganic Compounds: Try a new formula
Click here to see the Legend. See also: typical oxidation numbers
Examples
NH4+ = Ammonium Ion (it is a anion w/ a positive charge)
NH3 = Ammonia (a compound)
PH4+ = Phosphonium ion
PH3 = Phosphane (a compound)
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