Chemistry Pre-AP 30 Common Polyatomic Ions (WHS
Acetate - C2H3O2 -1 Ammonium - NH4 +1 Bromate - BrO3 -1 Bromite - BrO2 -1 Carbonate - CO3 -2 Charges - Do not change with added oxygen atoms (Ex: hypoiodite, iodite, iodate, and periodate all have the same charge of -1) Charges of Bromine polyatomics - -1 (not Cl, I, or N) Charges of Carbon polyatomics (oxygen-based) - -2 (not S or Cr) Charges of Chlorine polyatomics - -1 (not N, I, or Br) Charges of Chromite polyatomics - -2 (not C or S) Charges of Iodine polyatomics - -1 (not Cl, N, or Br) Charges of Nitrogen polyatomics (oxygen based) - -1 (not Cl, I, or Br) Charges of Phosphorus polyatomics - -3 Charges of Sulfur polyatomics - -2 (not C or Cr)
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iodite
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iodate
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acetate c2h3o2 1 ammonium nh4 1 bromate bro3 1 bromite bro2 1 carbonate co3 2 charges do not change with added oxygen atoms ex hypoiodite
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and periodate all have th