Difference between revisions of "Material/Twenty most abundant elements in Earth's crust"

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Approx figures for the most abundant elements in the earth's crust:<span style="line-height:50%;"><br>
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Approx figures for the twenty most abundant elements in earth's crust:<span style="line-height:50%;"><br>
 
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[[Image:Pariah canyon.jpg|140px|right|Earth's crust]]
 
[[Image:Pariah canyon.jpg|140px|right|Earth's crust]]

Revision as of 23:03, 3 September 2006

Approx figures for the twenty most abundant elements in earth's crust:

Earth's crust
Element  % mass
Oxygen 46.71
Silicon 27.69
Aluminum 8.07
Iron 5.05
Calcium 3.65
Sodium 2.75
Potassium 2.58
Magnesium 2.08
Titanium 0.62
Hydrogen 0.14
Phosphorus 0.13
Carbon 0.09
Manganese 0.09
Sulfur 0.05
Barium 0.05
Chlorine 0.05
Chromium 0.04
Fluorine 0.03
Zirconium 0.03
Nickel 0.02

Figures from http://www.science.co.il/PTelements.asp?s=Earth
Figures rounded to two decimal places
Also need to have a list based on ease of extraction and energy required