Welcome to my Elements assignment page. :)
Gold
Common modern uses of gold: |
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Atomic number: |
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-Jewelry |
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The atomic number of an element |
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-Electronics |
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is equal to the number of protons in an atom. |
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-Space and astronauts |
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Golds atomic number is 79. |
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-Environmental uses |
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Every element has a different atomic |
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-Medicine |
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number, and these numbers will never change |
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-Dentistry |
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Atomic Mass: |
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Cool facts about gold: |
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Atomic mass is equal to the number of |
The mineral pyrite has a similar look to gold |
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protons plus the number of neutrons. |
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and is therefore called "Fools Gold". |
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Golds atomic mass is mass is 196.97 |
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In 2009 it was estimated that 160 000 tonnes of gold |
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had been mined. |
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For the past 100 years South Africa had been the largest |
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producer of gold. Until recently China surpassed them. |
This is the link to my power point:
Element Assignment- Science project..pptx
This image is of golds atomic number. This is a gold bracelet. One main use of this element. This is a picture of a gold coin. This is pyrite. Similar to gold in look but different in color and usage.
This picture also shows golds symbol which is Au.
Bibliography:
Information:
http://en.wikipedia.org/wiki/Gold
http://www.sciencekids.co.nz/sciencefacts/metals/gold.html
http://www.recyclefrog.com/Resource_Centre/Resource_Centre_Modern_Uses_of_Gold.php
Pictures
Au picture: http://en.wikipedia.org/w/index.php?title=File:Electron_shell_079_Gold.svg&page=1
bracelet picture: http://www.google.ca/imgres?um=1&hl=en&rlz=1C1SKPL_enCA398CA399&biw=1920&bih=989&tbm=isch&tbnid=c0Sd845_CzJq-M:&imgrefurl=http://tiffanyandcooutlet.enssk.com/tiffany-and-co-1837-lock-charm-gold-bracelet-p-467.html&docid=_cHocdplQKyOeM&imgurl=http://tiffanyandcooutlet.enssk.com/images/tiffany/Tiffany%252520Jewelry%252520Outlet%252520Bracelets%252520Gold%252520Heart%252520Tag.jpg&w=480&h=640&ei=a4yBUJXvKOnUygHYwYG4DA&zoom=1&iact=hc&vpx=351&vpy=124&dur=866&hovh=259&hovw=194&tx=98&ty=152&sig=117437027593229016960&page=1&tbnh=148&tbnw=110&start=0&ndsp=60&ved=1t:429,r:1,s:0,i:69
Gold coin picture: http://www.google.ca/imgres?start=114&um=1&hl=en&rlz=1C1SKPL_enCA398CA399&biw=1920&bih=989&tbm=isch&tbnid=dM7Y4IaOErI5EM:&imgrefurl=http://australianbullioncompany.com.au/canadian-maple-1oz&docid=0bM8HjhGqjV-3M&imgurl=http://australianbullioncompany.com.au/files/imagecache/product_full/1oz%252520Canadian%252520Maple%252520Gold%252520Coin%252520%252520F.png&w=910&h=911&ei=XZGBUPyLNYnEyQHqi4HYAw&zoom=1&iact=hc&vpx=1109&vpy=432&dur=4314&hovh=225&hovw=224&tx=73&ty=96&sig=117437027593229016960&page=3&tbnh=147&tbnw=166&ndsp=60&ved=1t:429,r:61,s:100,i:187
Pyrite picture: http://www.google.ca/imgres?start=0&num=10&um=1&hl=en&rlz=1C1SKPL_enCA398CA399&biw=1920&bih=989&tbm=isch&tbnid=BZSmjH23Iqf9CM:&imgrefurl=http://kids.consultcase.com/&docid=rsnx6HPe2zT2yM&imgurl=http://kids.consultcase.com/rocks/pyrite.jpg&w=200&h=200&ei=wo2BUOy2JMKsywH07ICICA&zoom=1&iact=rc&dur=509&sig=117437027593229016960&page=1&tbnh=140&tbnw=144&ndsp=46&ved=1t:429,r:3,s:20,i:13&tx=95&ty=72
Gold's symbol: http://www.chemistryexplained.com/images/chfa_02_img0374.jpg