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Gold (Au)
By: Madison Smith
Gold
symbol
- Symbol: Au
- Atomic mass: 196.97
- Atomic number: 79
- Group: 11
- Period: 6
- Protons: 79
- Neutrons: 118
- Electrons: 79
The origin of the symbol
Au is the Latin word aurum meaning gold.
The origin of the name and symbol
origin of name and symbol
The origin of the name
It comes from the Anglo-Saxon word meaning gold.
Timeline
Where gold comes from
A local newspaper heard about the gold discovery and reported about it. Most people in the area didn't believe it.
The first shipments of gold sent to the mint left from San Francisco. The ship carried over $500,000 of gold.
The gold rush finally fell off in 1857, when the gold output stabilized at around 45 million dollars a year.
March 1848
November 1848
1857
where gold comes from
August 1848
January 1848
May 1850
The gold rush begins.
James Marshall tried to keep his discovery a secret, but word quickly spread. By August, there were 4,000 gold mines in the area.
Another gold shipment leaves San Francisco. This time the shipment carried 1.5 million dollars worth of gold.
James Marshall was working in California to build a water pump. While in the river, he found a shiny metal which turned out to be gold.
Fun facts!
There is enough gold circulating in the whole world to fill 3 1/2 Olympic-sized swimming pools.
Gold flakes were sometimes sprinkled on the food of the wealthy during the Middle Ages.
fun facts
A single ounce of gold can be pounded into a sheet 300 feet wide by 300 feet long. That's bigger than a football field! That same ounce can form a wire nearly 100 kilometers long.
South Africa used to be the largest supplier of gold, but today China and Australia produce the most gold.
More Information
Around 161,000 tons of gold have been mined by humans.
Gold is an extremely rare element on Earth because it doesn't react with very many other elements.
more information
Gold is the most malleable and ductile pure metal known to man.
Absolutely pure gold is so soft that it can be molded with the hands.
Gold has only one naturally occurring stable isotope which is gold-197.
Where can you find gold?
Gold can be mixed in with the rock in the mountains or even in the sandy riverbeds.
Gold can be found in ocean water. However, the process for getting the gold from the ocean costs more than the gold itself.
where can you find it?
Gold is often found mixed with other metals like silver.
You can pretty much find gold anywhere in the 50 states.
California and Alaska are famous for their gold discoveries.
Finding gold
Pictures
What it is used for today?
When gold is used as jewelry or for coins, it is generally not pure gold. Pure gold is called 24 karat gold, and it is very soft. Generally gold is combined with other metals such as copper or silver in order to make it harder and more durable.
how it's used today
- Jewelry
- Coins
- Cancer treatments
- Decoration
- Dental work
- Heat shielding
Pictures!
sources
Where to Find Gold In The United States, www.goldfeverprospecting.com/whtofigoinun.html.
Winter, Mark, et al. “Gold: Historical Information.” WebElements Periodic Table » Gold » Historical Information, www.webelements.com/gold/history.html.
The end:)
“(Adsbygoogle = Window.adsbygoogle []).Push({}); Where to Find Gold.” Where to Find Gold. A State-by-State Guide to the U.S., www.goldrushnuggets.com/whtofigo.html.
“AU Element Gold Periodic Table What Is Gold Symbol AU.” APMEX,
www.apmex.com/education/science/gold-periodic-table-what-is-gold-symbol-au.
“The Gold Rush Timeline.” Math,www.softschools.com/timelines/the_gold_rush_timeline/85/.