The Element Gold

What is Gold? Element Properties & Periodic Table Info

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What is Gold as on the Periodic Table? Definition of the Gold Element
A soft, yellow, corrosion-resistant element, the most malleable and ductile metal, occurring in veins and alluvial deposits and recovered by mining or by panning or sluicing. Gold is a good conductor of heat and electricity, and is unaffected by air and most reagents. A good thermal and electrical conductor, gold is generally alloyed to increase its strength, and it is used as an international monetary standard, in jewelry, for decoration, and as a plated coating on a wide variety of electrical and mechanical components.The term carat describes the amount of gold present - 24 carats is pure gold. The Atomic Number of this element is 79 and the Element Symbol is Au.

 

What is Gold? Origin / Meaning of the name Gold
The
name originates from the Old English Anglo-Saxon word 'geolo' meaning yellow. The Symbol Origin is from the Latin word 'aurum' meaning 'shining dawn' which is in reference to Aurora, the Roman Goddess of dawn. Gold was once referred to as one of the 'Noble Metals' which also included  Silver and Platinum. Noble Metals were so called due to their long association with the aristocracy.

What is Gold? Periodic Table Group and Classification of the Gold Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Gold is
classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table. Elements classified as Transition Metals are generally described as ductile, malleable, and able to conduct electricity and heat. For additional facts and information refer to Gold Properties.

Facts about the History of the Discovery of Gold Element - A Metal of Antiquity
Gold was discovered in Ancient times and used by the ancient South Americans, Asians, Egyptians, Greeks, Romans and Chinese. It is mentioned in the Bible. Gold is measured by troy weight and by gram. The term 'carat' meaning purity is used to indicate the amount of gold present, with 24 carats being pure gold and lower ratings proportionally less.  Gold is one of the metals referred to as one of the 'Metals of Antiquity'. The ancient 'Metals of Antiquity' together with their approximate dates of discovery and use are Gold (6000BC), Copper (9000BC), Silver (4000BC), Lead (6400BC), Tin (3000BC), Iron (1500BC) and Mercury (1500BC).

What is Gold? Occurrence of the Gold Element
Gold is widely distributed on the earth in the form of dust, grains, flakes, or nuggets. The chief producers are South Africa, the United States and Australia. Gold occurs in veins and alluvial deposits and is recovered by mining or by panning & sluicing.
Obtained from the crust of the earth
Hydrothermal ore deposits of gold occur in metamorphic rocks and igneous rocks
Found as the native metal
in the form of dust, grains, flakes, or nuggets
Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the
List of Metals.

Abundance of Gold
% in Universe 610-8%
% in Sun 110-7%
% in Meteorites 0.000017%
% in Earth's Crust 3.110-7%
% in Oceans 510-9%
% in Humans 0.00001%

Gold Mining - Placer Gold Mining and Hydraulic Gold Mining
Native gold occurs in the form of small grains or larger nuggets in the sands of old rivers, or imbedded in quartz veins in rocks. In the first case it is obtained in crude form by placer mining. The sand containing the gold is shaken or stirred in troughs of running waters called sluices. This sweeps away the sand but allows the heavier gold to sink to the bottom of the sluice. Sometimes the sand containing the gold is washed away from its natural location into the sluices by powerful streams of water delivered under pressure from pipes. This is called hydraulic mining. In vein mining the gold bearing quartz is mined from the veins, stamped into fine powder in stamping mills, and the gold extracted by one of the processes to be described.

Medical Uses of Gold - Health and Treatments
Interesting information is contained in the following table of Medical Uses of Gold, Health and Treatments.
 

Medical uses of Gold - Health and Treatments

Medical DisordersMedical SymptomsUses of Gold & Treatments
Dental / Teeth problemsToothacheGold dental alloys are used for fillings, crowns, bridges and orthodontic appliances
LagophthalmosInability to inability to close the eyes completelyImplanting small amounts of gold "weights" in the upper eyelid
Cancer / Tumors of the stomach and intestines (the peritoneum)Various symptoms according to the type illness and health issueColloidal gold is injected into the peritoneum - gold therapy
 
Rheumatoid arthritisInflammation of the jointsUsed as a suspension in oil or as water-soluble preparations for injections. A drug containing gold salts
Medical DisordersMedical SymptomsUses of Gold & Treatments

A useful reference providing information regarding the medical uses of Gold, associated health issues and disorders and treatments using Gold. Gold salts are among the most toxic of therapeutic agents and must be given only under strict medical supervision.

What is Gold? Associated Uses of Gold
Gold has always been used as an indicator of wealth and the fabulous death mask of Tutankhamun is a well known example. The Ancient Egyptians also believed that gold had a magical potency containing significant religious properties and was therefore referred to as the 'Flesh of the Gods'. Other uses of this precious metal include:
Currency
Coinage
Jewelry
Tableware
Medicine and Health Care
Dental alloys
Electronics

Au

The Properties of the Gold Element
Symbol of Element : Au
Atomic Number : 79
Atomic Mass: 196.96655 amu
Melting Point: 1064.43 C - 1337.5801 K
Boiling Point: 2807.0 C - 3080.15 K
Number of Protons/Electrons : 79
Number of Neutrons: 118
Crystal Structure: Cubic
Density @ 293 K: 19.32 g/cm3
Color : Soft yellow

What is Gold? The Properties of the Gold Element
Name of Element : Gold
Symbol of Element : Au
Atomic Number: 79
Atomic Mass: 196.96655 amu
Melting Point: 1064.43 C - 1337.5801 K
Boiling Point: 2807.0 C - 3080.15 K
Number of Protons/Electrons: 79
Number of Neutrons in Gold : 118
Crystal Structure: Cubic
Density @ 293 K: 19.32 g/cm3
Color : Soft yellow

Gold as on the Periodic Table
Check out Gold on the Periodic Table which arranges each chemical element according to its atomic number, as based on the
Periodic Law, so that chemical elements with similar properties are in the same column. Our Periodic Table is simple to use - just click on the symbol for Gold as on the Periodic Table as on the Periodic Table for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element. An invaluable source of facts and information as a Chemistry reference guide.

What is Gold - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri  Mendeleev knew in his day in his day but still all fitting into his concept of  the "Periodic Table" in which Gold is just one element that can be found.

Learn about what is Gold with these fast facts...
These articles contain facts and information relating to Gold and each of the other elements including the Periodic Symbol,  group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. Chemistry students will also find a helpful section on Chemical Formulas.

What is the Element Gold

The Elements are the building blocks of Modern Science & Chemistry


 

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