The Element GoldThe Element GoldBy Lauren, Andrea, and AlliBy Lauren, Andrea, and Alli

Common UsesCommon Uses

It is used for It is used for expensive fine expensive fine jewelry.jewelry.

It is used for It is used for money is some money is some placesplaces

Source Of Element Source Of Element

The history of gold The history of gold is found in the is found in the crust of earth and crust of earth and copper ores.copper ores.

It was found in It was found in Circa BC. Circa BC.

Atomic Structure And Element Atomic Structure And Element Number/SymbolNumber/Symbol

The element gold The element gold has 79 protons and has 79 protons and 118 neutrons as 118 neutrons as well as 79 well as 79 electrons. electrons.

The symbol is Au The symbol is Au and the atomic and the atomic number is 79. number is 79.

DiscoveryDiscovery

The element gold The element gold was found in circa was found in circa 3000 BC.3000 BC.

The name of the of The name of the of the discoverer was the discoverer was unknown.. we are unknown.. we are eager to know.. but eager to know.. but we are clueless.we are clueless.

The Melting/Boiling Point and The Melting/Boiling Point and ClassificationClassification

The melting point The melting point is 1064.43is 1064.43°C. °C.

The boiling point is The boiling point is 2807°C.2807°C.

The The classification classification is a Transition is a Transition Metal.Metal.

It’s name It’s name origin comes origin comes from the old from the old English word English word geologeolo meaning meaning yellow. yellow.

Interesting Things I Know You Interesting Things I Know You Don’t Know..Don’t Know..

Gold is known and Gold is known and highly valued from highly valued from earliest times, gold is earliest times, gold is found and natured as found and natured as a free metal.a free metal.

In telluride; it is very In telluride; it is very widely distributed widely distributed and is almost always and is almost always associated with associated with quartz and pryrite.quartz and pryrite.

COMPOUNDS!!!!!COMPOUNDS!!!!!

One kind of One kind of compound for gold compound for gold is Chloroaric Acid. is Chloroaric Acid.

Another is Gold Another is Gold Cluster.Cluster.

A third is A third is Auranofin.Auranofin.

The EndThe End

We think gold is a very satisfying and We think gold is a very satisfying and helpful element to the human kind. helpful element to the human kind.

We encourage and challenge you to We encourage and challenge you to discover more about this awesome discover more about this awesome element.element.

Gold is part of history and you could Gold is part of history and you could be, too. Thank you for watching this be, too. Thank you for watching this presentation. presentation.