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Polyatomic Ions -2ch

Many atomed ions with a negative 2 charge

QuestionAnswer
carbonate CO3 (2-)
chromate CrO4 (2-)
dichromate Cr2O7 (2-)
oxalate C2O4 (2-)
silicate SiO3 (2-)
peroxide O2 -2
sulfate SO4 -2
sulfite SO3 -2
hydrogen phosphate HPO4 -2
Created by: jms08872
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