Au
Gold196.966569 (4)
Gold has always fascinated people and gold is certainly one of the very first metals known. Nobody knows who picked up a gold nugget first but it would have been because it was shiny. Gold was highly valued from from the earliest recorded times in history.
- Name:Gold
- Symbol: Au
- Atomic number: 79
- Atomic weight: 196.966569 (4)
- Standard state: solid at 298 K
- Group in periodic table: 11
- Group name:Coinage metal
- Period in periodic table: 6
- Block in periodic table: d-block
- Classification: Metallic
- jewellery
- used in nanotechnology
- useful metal for electronics
- a coinage metal
Gold is usually alloyed in jewellery to give it more strength, and the term carat describes the amount of gold present (24 carats is pure gold). It is estimated that all the gold in the world, so far refined, could be placed in a single cube 60 ft.