What is gold made of?

Answer

Because gold is an element, a lump of pure gold contains nothing but gold atoms. Because pure gold is very soft and easily marred, it is often alloyed with other metals to make jewelry, coins and other precious objects.

To indicate the fraction of gold contained in a particular piece, gold is stamped with a karat (K) number. Because pure gold is defined as 24K, an 18K gold necklace, for instance, is made of 18 parts pure gold and six parts other metals. Typical alloy choices include copper and silver, though platinum, aluminum and iron can be used to achieve particular colors.

Q&A Related to "What is gold made of?"
There is no such thing as white gold that is a pure substance. Instead there are alloys of gold that can be white. Normally these alloys will contain Palladium or Nickel. You can
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Gold is an element and is therefore made only of gold. Gold jewlery, however, is often not pure gold, but is gold mixed with copper and silver.
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Electrons are leptons, which means they're indivisible (the electron "makes up" an electron) A proton or neutron, on the other hand, are hadrons and are made up of quarks.
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