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What is the formula for: Ammonium?. NH 4 +. What is the formula for: Acetate?. CH 3 COO -. What is the formula for: Carbonate?. CO 3 2-. What is the formula for: Bicarbonate?. HCO 3 -. What is the formula for: Chromate?. CrO 4 2-. What is the formula for: Dichromate?. Cr 2 O 7 2-.
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What Polyatomic Ion is: NH4+ Ammonium
What Polyatomic Ion is: CH3COO- Acetate
What Polyatomic Ion is: CO32- Carbonate
What Polyatomic Ion is: HCO3- Bicarbonate
What Polyatomic Ion is: CrO42- Chromate
What Polyatomic Ion is: Cr2O72- Dichromate
What Polyatomic Ion is: OH- Hydroxide
What Polyatomic Ion is: NO3- Nitrate
What Polyatomic Ion is: MnO4- Permanganate
What Polyatomic Ion is: PO43- Phosphate
What Polyatomic Ion is: SO42- Sulfate
What Polyatomic Ion is: ClO4- Perchlorate
What Polyatomic Ion is: SO32- Sulfite
What Polyatomic Ion is: CN- Cyanide
What Polyatomic Ion is: ClO3- Chlorate
What Polyatomic Ion is: ClO2- Chlorite
What Polyatomic Ion is: ClO- Hypochlorite
Charges, Charges, Charges! 1+{Ammonium}… how to remember: Think: I got an A+ on Mon. 1- {Acetate, Bicarbonate, Hydroxide, Nitrate, Permanganate, Perchlorate} How to remember: Think: Alphabet Order… AB, OPP, and a random N for fun, minus one! 2-{Carbonate, Chromate, Dichromate, Sulfate, Sulfite} Think: Chro, Carb, Sulf (CCS)… 2- 3-{Phosphate} Think: Its your fate to have three Good friends