Negative one charges

• Hydroxide?

  OH-
• Permanganate?

  MnO4-
• Hypochlorite?

  ClO-
• Chlorite?

  ClO2–
• Chlorate?

  ClO3-
• Perchlorate?

  ClO4–
• Dihydrogen phosphate?

  H2PO4–
• Acetate?

  C2H3O2–
• Bromate?

  BrO3–
• Hydrogen sulfate?

  HSO4–
• Hydrogen sulfite?

  HSO3–
• Hydrogen carbonate?

  HCO3–
• Nitrite?

  NO2–
• Cyanide?

  CN–
• Nitrate?

  NO3-