Maintenance of Gold

  • Gold is a chemical element. Its chemical symbol is Au and its atomic number is 79.
  • Compared to other metals, gold is less chemically reactive.
  • Gold is a good conductor of electricity and heat.
  • Gold is shiny, soft and dense. It is also malleable, which means it can easily be beaten into thin sheets or other shapes.
  • Gold is malleable enough for just 1 gram to be hammered into a sheet 1 square meter in size. It can also be made so thin that it appears transparent.
  • Due to a similar appearance to gold, the mineral pyrite has the nickname fool's gold.
  • The amount of gold in various alloys (a combination of gold and another metal such as silver) is measured in carats (k). Pure gold is 24k.
  • As of 2009, it has been estimated that humans have mined around 160000 tonnes of gold.
  • Over the last 100 years South Africa has been the biggest producer of gold. In recent times however it has been surpassed by China.
  • As of 2009, the USA has 8133 tonnes of gold reserves while Canada only has 3.
  • Throughout history gold has often been seen as a symbol of wealth.
  • Gold is the most popular precious metal for investments.
  • The price of gold continually fluctuates and is often linked to major economic events.
  • There is a monetary system called the 'gold standard' which fixes a unit of money to a certain weight of gold.
  • Over the years gold has been used to create expensive jewelry, coins and various forms of art such as the Egyptian pharaoh.
  • Tutankhamun's famous burial mask. In modern times it has also been used for things such as electronics and dentistry.
  • Injectable gold has been proven to help reduce pain and swelling in patients suffering from tuberculosis and rheumatoid arthritis.
  • Gold is a popular choice when it comes to rewarding achievement with medals, statues and trophies. Academy Award, Olympic and Nobel Prize