to make gold stronger and durable.
Pure gold is too soft for many uses- a pure, 24K gold ring would bend under moderate pressure. Other metals are alloyed with gold to make it harder, or change the color 9as in white gold, rose gold, etc)
Pure iron is too soft for many uses. Different metals are added in order to strengthen the steel and make it harder.
Bronze
Bronze
why are other metals added to stainless steel
It is a semi-insulator, like silicon with gallium added or geranium with phosphorus added.
Currently, china with 32 golds and a total of 65. You can check anytime by searching on google 'Olympics 2012'
Gold on the selves is actually an amalgam ( mixture of several metals) so it is mixed with aluminium, iron etc. In theory pure gold is malleable
sometimes
Golds elemental symbol is: Au
Cassandra Golds was born in 1962.
The Twilight of the Golds was created in 1997.
Brass is the alloy between copper and zinc; sometimes other minor alloying elements are added (Pb, Sn, Fe, Al, As, Mn).