Gold Touqa El Husseiny 7D

http://www.google.com.qa/imgres?hl=en&biw=1234&bih=684&tbm=isch&tbnid=PL-vSp6Iy8fHuM:&imgrefurl=http://www.munknee.com/gold-expected-to-peak-in-june-2013-heres-why/&docid=Gk4jR0-bS0w83M&imgurl=http://www.munknee.com/wp-content/uploads/2010/01/gold-bars4.jpg&w=400&h=300&ei=xmtJUvbkAenU4wSmsYDACg&zoom=1

Obtained from

0Gold can be taken from the crust of the earth

0 It can also can be taken form the copper ores

http://www.kidsgeo.com/geology-for-kids/0021-earths-crust.php http://www.vanderkrogt.net/elements/images/elements/Copper_ore_from_Cornwall.jpg

Atomic Number/Symbol

0Gold number on the periodic table 79

0Gold symbol on the periodic table is AU

http://www.chemistryland.com/CHM130W/02-MMM/Math/PeriodicPart.gif

Number of Protons

0Gold has 79 protons in one atom

0 It has the same amount of electrons so it is neutral

http://taxfreegold.co.uk/images/Au79logo.jpg

Number of neutrons

0Gold has 118 neutrons

http://www.myschoolhouse.com/courses/C/6/Images/10.atom.gif

Melting point

0Gold melting point is 1064.43 °C

Boiling point

Gold boiling point is 2807.0 °C

http://vizfact.com/wp-content/uploads/2012/01/Gold-Boiling-300x194.jpg

Atomic Weight

The weight of gold is 196.96655 AMU

http://nutrimantra.com/wp/wp-content/uploads/2012/05/understanding-body-weight.png

Uses of Gold

0Electronics

0 Jewelry

0Coins

http://us.123rf.com/400wm/400/400/belchonock/belchonock1202/belchonock120200238/12144465-various-gold-jewellery-and-gifts-on-black-background.jpg

http://goldstriker.co.uk/wp-content/uploads/2013/05/iphone-5-gold.jpg

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Word Origin

0Gold comes from the Latin word Aurum which means Gold. The word Gold it self comes from the German word Goud.

http://us.123rf.com/400wm/400/400/richsouthwales/richsouthwales1107/richsouthwales110700063/9945591-a-black-board-with-a-wooden-frame-and-the-word-german-written-in-chalk.jpg

http://mflteacher.com/images/i-love-latin-131540397419.png

Discovery

0Gold was first found in the early times , as early as 3000 BC. Gold was found in small nuggets in streams all over the world.

http://www.3000bcstudios.com/wp-content/uploads/2013/03/300bclogo.jpg

Thank you for watching

Bibliography Information0 "Chemical Elements.com - Gold (Au)."

Chemicalelements.com, 2013. Web. 30 Sep 2013. <http://www.chemicalelements.com/elements/au.html>.

0 "History of gold." Onlygold.com, 2013. Web. 30 Sep 2013. <http://www.onlygold.com/tutorialpages/historyfs.htm>.

Picture bibliography on slides