Inorganic ions

• Cation


  Positive charge
• What are calcium ions used for?

  Muscle contration

  Bone formation
• What are sodium ions used for?

  Nerve impulses

  Affects absorption of carbohydrates in intestines
• What are potassium ions used for?

  Nerve impulses

  Stomatal opening
• What are hydrogen ions used for?

  Production of ATP

  pH determination

  If there are more H+ ions than OH- ions in solutions it creates an acid
• What are ammonium ions used for?

  Productions of nitrate ions by bactetia
• Anion


  Negative charge
• What are nitrate ions used for?


  Component of nucleic acids

  Component of nitrogen cycle
• What are hydrogencarbonate ions used for?

  Involved in transport of CO2
• What are chloride ions used for?

  Involved in transport of CO2

  Regulates affinity of haemoglobin to oxygen
• What are phosphate ions used for?


  Component og phodpholipids, ATP and nucleic acids

  Helps root growth
• What are hydroxide ions used for?

  Involved in regulation of blood pH

  More OH- ions than H+ ions in solutions creates an alkali