chemical formula

• ammonium


  NH₄¹⁺
• Hydronium (oxonium)


  H₃O⁺
• ethanoate

  CH₃COO⁻
• nitrate


  NO₃⁻
• nitrite


  NO₂⁻
• chlorate


  ClO₃⁻
• Hydroxyl/Hydroxide


  OH⁻
• hydrogen sulphate


  HSO₄⁻
• hydrogen carbonate


  HCO₃⁻
• permanganate


  MnO₄⁻
• sulphate


  SO₄²⁻
• sulphite

  SO₃²⁻
• carbonate


  CO₃²⁻
• chromate


  CrO₄²⁻
• dichromate


  Cr₂O₇²⁻
• thiosulphate


  S₂O₃²⁻
• phosphate


  PO₄³⁻
• water


  H₂O
• hydrochloric acid

  HCl
• sulphuric acid


  H₂SO₄
• sulphurous acid

  H₂SO₃
• phosphoric acid


  H₃PO₄
• carbonic acid


  H₂CO₃
• nitric acid

  HNO₃
• hydrofluoric acid

  HF
• oxalic acid


  (COOH)₂
• Ethanoic acid

  CH₃COOH
• ammonia


  NH₃
• caustic soda (sodium hydroxide)


  NaOH
• marble (calcium carbonate)

  CaCO₃
• limewater (calcium hydroxide)


  Ca(OH)₂
• mono


  1
• di

  2
• bi

  2
• tri

  3
• tetra


  4
• pent


  5
• hex

  6