Click me
Transcribed

Facts About Gold

Facts about GOLD A Precious Metal and Element Here are 10 interesting facts about the element gold. 142,000 Tons Only approximately 142,000 tons of gold have mined throughout history.Assuming the price of gold is $1,268 per ounce (January 2014), the total amount of gold that has been mined would equal roughly $5.7 trillion or $889 for each person on the planet. Gold is the only metal that is yellow or "golden". Other metals may develop a yellowish color, but only after they have oxidized or reacted with other chemicals. 3. Nearly all of the gold on Earth came from meteorites that bombarded the planet over 200 million years after it formed. 79 196,97 4 |2,4 Au Gold The element symbol for gold is Au. The symbol comes from the old Latin name for gold, aurum, which means "shining dawn" or "glow of sunrise". The word "gold" comes from the Germanic languages, originating from the Proto-Germanic gul√ĺ and Proto-Indo-European ghel, meaning "yellow/green". The pure element has been known since ancient times. 28 Grams 8 Kilometers Gold is extremely ductile. A single ounce of gold (about 28 grams) can be stretched into a gold thread 5 miles (8 kilometers) long. Gold threads can even be used as embroidery thread. 300 Square Feet (27.87 m2) Malleability is a measure of how easily a material can be hammered into thin sheets. Gold is the most malleable element. A single ounce of gold can be beaten out into a sheet that is 300 square feet. A sheet of gold can be made thin enough to be transparent. Very thin sheets of gold may appear greenish blue because gold strongly reflects red and yellow. Although gold is a heavy, dense metal, it is generally considered non-toxic. Gold metal flakes may be eaten in foods or drinks. Purity of Gold 100% 24 carat 8. 75% 18 carat 58.5% 14 carat 41.7% 10 carat 24 carat gold is pure elemental gold. 18 carat gold is 75% pure gold. 14 carat gold is 58.5% pure gold, and 10 carat gold is 41.7% pure gold. The remaining portion of the metal usually is silver, but may consist of other metals or a combination of metals, such as platinum, copper, palladium, zinc, nickel, iron, and cadmium. Gold is a noble metal. It is relatively unreactive and resists degradation by air, moisture, or acidic conditions. While acids dissolve most metals, a special mixture of acids called aqua regia is used to dissolve gold. 10 Gold has many uses, aside from its monetary and symbolic value. Among other applications, it is used in electronics, electrical wiring, dentistry, electronics, medicine, radiation shielding, and to color glass. EA CODER FOREX SOFTWARE www.ea-coder.com Sources http://chemistry.about.com/od/gold/a/10-Gold-Facts.htm http://www.livescience.com/39187-facts-about-gold.html http://facts.randomhistory.com/2009/03/09_gold.html

Facts About Gold

shared by rimantas82 on Feb 17
132 views
0 shares
0 comments
For us as currency traders, gold is one of the currencies/commodities that we can often trade. The fun facts about GOLD and in an infographic.

Publisher

Rimantas

Category

Lifestyle
Did you work on this visual? Claim credit!

Get a Quote

Embed Code

For hosted site:

Click the code to copy

For wordpress.com:

Click the code to copy
Customize size