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Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

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Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197. By: Gerald Howse 5 th Hour 1-31-1. History. - PowerPoint PPT Presentation
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By: Gerald Howse 5 th Hour 1-31-1
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Page 1: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

By: Gerald Howse5th Hour1-31-1

Page 2: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

HistoryHistoryLatin Name Aurum, originally called “shining dawn.” No one can really say who discovered Gold because gold has been around for thousands of years B.C. and some say even early as prehistoric times• Egypt and especially Nubia had the resources to make them major gold-producing areas for much of history.

Page 3: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Description: Soft bright yellow transition metal.

Boiling Point: 3080K, 2807°C, 5085°F

Melting Point: 1337.73K, 1064.58°C, 1948.24°F

Density:19.32g/cc @ 300K Conductivity: Electrical: 0.452

106/cm ΩThermal: 3.17 W/cmK

Electron Configuration: 1s2 2s2p6 3s2p6d10 4s2p6d10f14 5s2p6d10 6s1

Electron Dot Formula: Au.

Page 4: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Information Gold - Au

Type of Ion: Cat ion Oxidation States: 3 , 1 Valence Electron: 1 Atomic Number:79 Group: 11 Period: 6 Transition Metal Isotopes: 18

Page 5: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Occurrences Heath Benefits Native gold is also found

in the form of free flakes, grains or larger nuggets that have been eroded from rocks and end up in alluvial deposits (called placer deposits)

Gold Salt have anti-inflammatory properties and are used in the treatment of arthritis and other similar conditions

Inject able Gold has been proven to help to reduce the pain and swelling of rheumatoid arthritis and tuberculosis.

Gold Alloys are use in dentistry in tooth restoration(crowns & permanent bridges)

Page 6: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Reactions Problems

Pure metallic (elemental) gold is non-toxic and non-irritating when ingested

Gold is chemically unreactive and exists in nature in its pure form.

Gold Salt are toxic to the liver and kidneys

Rare poisoning from Potassium gold cyanide

Gold contact allergies have affected mostly women but is relatively non-potent when compared to Nickel

Page 7: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

GoldGold

Price

There is really no set price, the price of gold fluctuates and continues to change

It depends on the karat which is how pure the gold is 24 being the fineness

Also it is weighed by 1 troy ounce = 31.1 grams worth $1340.60

Page 8: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Uses Of GoldUses Of Gold

• Jewelry• Gold Flakes (food)• Thread• Coloring Agent (Cranberry Glass)• Reflective Layer On Cds• Protective Coating (Satellites)• Automobiles (Heating Dissipation)• Gold Toners (Photography)

Page 9: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

Symbolism of GoldSymbolism of Gold

Symbolism Represents

Gold has been highly valued in many societies throughout the ages

Ex: Golden Medals awarded in athletic competitions and trophies (Olympic Games, Nobel Prize, & Gold Globe Awards)

Power Strength Wealth Warmth Happiness Love Hope Optimism

• Intelligence• Justice• Balance• Perfection• Summer• Harvest• Sun

Page 10: Protons: 79 Electrons: 79 Neutrons: 118 Mass # : 197

BibliographyBibliography

http://environmentalchemistry.com/yogi/periodic/Au.html

http://en.wikipedia.org/wiki/Goldwww.periodictable.comwww.chemistry.about.comwww.webelements.comClass textbook


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