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

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<font size=1>''Figures from http://www.science.co.il/PTelements.asp?s=Earth''<br>
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<font size=1>''Figures from [http://www.science.co.il/PTelements.asp?s=Earth]''<br>
 
''Figures rounded to two decimal places''<br>
 
''Figures rounded to two decimal places''<br>
 
''Also need to have a list based on ease of extraction and energy required''</font>
 
''Also need to have a list based on ease of extraction and energy required''</font>

Revision as of 14:46, 9 September 2006

Approx figures for the 20 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 [1]
Figures rounded to two decimal places
Also need to have a list based on ease of extraction and energy required