chemistry

• Monovalent elements


  • Cuprous [Copper [I]]
  • Argentous [Silver [I]]
  • Mercurous [Mercury [I]]
  • Aurous [Gold [I]]
• Valency


  The combining capacity of an element
• Positive ions/radicals with valency 1

  • Potassium
  • Sodium
  • Lithium
  • Hydrogen
  • Ammonium
• Negative ions/radicals with valency 1

  • Chloride
  • Chlorate
  • Hypochlorite
  • Bromide
  • Iodide
  • Hydroxide
  • Nitrite
  • Nitrate
  • Hydrogen [bi] carbonate
  • Hydrogen [bi] sulphite
  • Hydrogen [bi] sulphate
• Divalent elements


  • Calcium
  • Magnesium
  • Zinc
  • Barium
  • Nickel
  • Cobalt
  • Uranium
• Divalent ions/radicals


  • Sulphite
  • Sulphate
  • Sulphide
  • Carbonate
  • Oxide
  • Chromate
  • Dichromate
  • Peroxide
  • Silicate
  • Zincate
  • Plumbite
• Trivalent elements


  • Aluminium
  • Chromium
  • Iron [III]
  • Gold [III]
• Trivalent ions/radicals


  • Phosphate
  • Phosphite
  • Nitride
  • Carbide
• Tetravalent elements


  • Lead [IV]
  • Tin [IV]
  • Platinum [IV]
  • Manganese [IV]
• Compounds formed from elements with variable valency
• Copper


  • Cuprous [Copper [I]]
  • Cupric [Copper [II]]