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GOLD Element

GOLD Element. By: Agnes 7.2. Basic Information of gold. Name : Gold Symbol : Au Atomic Number : 79 Melting Point : 1064.43 °C (1337.5801 ° K, 1947.9741 °F) Boiling Point : 2807.0 °C (3080.15 °K, 508 4.6 °F) Date of Discovery : Circa 3000 BC Discoverer : Unknown

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GOLD Element

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  1. GOLD Element By: Agnes 7.2

  2. Basic Information of gold • Name:Gold • Symbol:Au • Atomic Number: 79 • Melting Point:1064.43 °C (1337.5801 °K, 1947.9741 °F) • Boiling Point:2807.0 °C (3080.15 °K, 5084.6 °F) • Date of Discovery:Circa 3000 BC • Discoverer:Unknown • Classification: Metal

  3. Brief Description of Gold • Symbol of power • Shiny • Yellow-ish(without tarnish) • Pure, undoubtly beautiful • Metallic • When finely divided it could be black, ruby or purple

  4. Hazardous effect in human body • Inhaling siliceous dust • Bad handling of mercury panning on gold • Miners inhale bad airs- causes them to die • Major causes of heath hazards

  5. 3 Uses of gold • Gold is made into thread and used in embroidery • Making jewelry, coinage & monetary exchange ( Different countries) • Protects coatings, inartificial satellites ( good for reflecting & visible in light.

  6. Interesting Facts about Gold • Rare metal, remarkable, unparallel combination of chemical • About 10 billion tons of it are in the oceans of the world • Oldest gold jewelry by men- 3500 BC

  7. OTHER INFO TO Know • Found in nature, quartz veins • Widely distributed even though it’s rare • Originally bright yellow but could be added or combined with other colors • Very priceful & meaningful for people, statues, icons, jewelry. • Predict in worldwide (2001)- 2870 tons of it is produced • Popular for color & elegant character • Important for religious ceremonies & daily occasions

  8. Bibliography/sources Bentor,Yinon. “Basic Information”.Chemicalelements.com. 21 April 2010. <http://www.chemicalelements.com/elements/au.htm> Description of Gold. 25 April 2010. <http://wiki. answers.com/Q/Description_of_gold> “facts about Gold”. 25 April 2010.< http://gold.yabz.com/facts.htm> “Gold terms and descriptions”. GOLD. 25 April 2010. <http://onlinegoldinformation.com/terms-anddescriptions/index.htm> “Interesting Facts about Gold”. Interesting facts/strange facts. 25 <April 2010. http://www.strange-facts.info/interesting-facts-about-gold> Journal Article. 25 April 2010. <http://www.springerlink.com/content/8cpk046e4dq8aynf/>

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