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10 Fun Facts about Gold

1.Gold is the only metal that is truly yellow or "golden". Other metals may turn a yellowish color but that is because of them oxidizing or reacting to other chemicals

2. The majority of the gold in the world came from meteorites that hit the world 200 million years after it was formed.

3. The periodic table lists gold as Au. The elemental symbol comes from the old Latin name for gold, aurum. It means "shining dawn" or "glow of sunrise."

4. Gold is extremely ductile . For example gold can be stretched into thread that can then be used for embroidery.

5. Gold is the most malleable metal which means that gold can easily be beaten into a thin sheet. A sheet of gold can be made thin enough to be transparent

6. Gold is considered non-toxic even though it is a heavy, dense metal. Because of this gold flakes can be eaten in food.

7. Pure elemental gold is 24 karat, while 18 karat gold is 75 percent pure gold, 14 karat gold is 58.5 percent pure gold, and 10 karat gold is 41.7 percent pure gold. The extra percentage is usually silver but can also be other metals or a combination of metals, such as platinum, copper, palladium, zinc, nickel, iron, and cadmium.

8. Gold is a noble metal. This means that it is relatively unreactive and resists degradation by air, moisture, or acidic conditions. If you want to dissolve gold you need to use a special mixture of acids called aqua regia.

9. Gold is used in electronics, electrical wiring, dentistry, electronics, medicine, radiation shielding, and to color glass.

10. Highly pure gold is odorless and tasteless.

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