Polyatomic Ions

⚡ 1⁻ Charge Ions

• Dihydrogen Phosphate: H₂PO₄⁻

• Acetate: C₂H₃O₂⁻ or CH₃COO⁻

• Hydrogen Sulfite: HSO₃⁻

• Hydrogen Sulfate: HSO₄⁻

• Hydrogen Carbonate: HCO₃⁻

• Nitrite: NO₂⁻

• Nitrate: NO₃⁻

• Cyanide: CN⁻

• Hydroxide: OH⁻

• Permanganate: MnO₄⁻

• Hypochlorite: ClO⁻

• Chlorite: ClO₂⁻

• Chlorate: ClO₃⁻

• Perchlorate: ClO₄⁻

• Azide: N₃⁻

• Thiocyanate: SCN⁻

⚡ 2⁻ Charge Ions

• Hydrogen Phosphate: HPO₄²⁻

• Oxalate: C₂O₄²⁻

• Sulfite: SO₃²⁻

• Sulfate: SO₄²⁻

• Carbonate: CO₃²⁻

• Chromate: CrO₄²⁻

• Dichromate: Cr₂O₇²⁻

• Silicate: SiO₃²⁻

• Disulfide: S₂²⁻

⚡ 3⁻ Charge Ions

• Phosphate: PO₄³⁻

• Phosphite: PO₃³⁻

⚡ 1⁺ Charge Ion

• Ammonium: NH₄⁺

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