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-

What is the formula for: Hydroxide? OH -

What is the formula for: Nitrate? NO 3 -

What is the formula for: Permanganate? MnO 4 -

What is the formula for: Phosphate? PO 4 3-

What is the formula for: Sulfate? SO 4 2-

What is the formula for: Perchlorate? ClO 4 -

What is the formula for: Sulfite? SO 3 2-

What is the formula for: Cyanide? CN -

What is the formula for: Chlorate? ClO 3 -

What the formula for: Chlorite? ClO 2 -

What is the formula for: Hypochlorite? ClO -

What Polyatomic Ion is: NH 4 + Ammonium

What Polyatomic Ion is: CH 3 COO - Acetate

What Polyatomic Ion is: CO 3 2- Carbonate

What Polyatomic Ion is: HCO 3 - Bicarbonate

What Polyatomic Ion is: CrO 4 2- Chromate

What Polyatomic Ion is: Cr 2 O 7 2- Dichromate

What Polyatomic Ion is: OH - Hydroxide

What Polyatomic Ion is: NO 3 - Nitrate

What Polyatomic Ion is: MnO 4 - Permanganate

What Polyatomic Ion is: PO 4 3- Phosphate

What Polyatomic Ion is: SO 4 2- Sulfate

What Polyatomic Ion is: ClO 4 - Perchlorate

What Polyatomic Ion is: SO 3 2- Sulfite

What Polyatomic Ion is: CN - Cyanide

What Polyatomic Ion is: ClO 3 - Chlorate

What Polyatomic Ion is: ClO 2 - 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)… {Phosphate} Think: Its your fate to have three Good friends