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

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Notable missing from top 20:
 
Notable missing from top 20:
*Copper.<br><small>Carbon might replace copper for many electrical conduction applications, and in the right form has the potential to be an even more efficient conductor - see {{wp|Carbon_nanotube|carbon nanotube}}</small>
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*Copper.<br><small>Carbon might replace copper for many electrical (and thermal) conduction applications - see {{wp|Carbon_nanotube|carbon nanotube}} for further information</small>

Revision as of 23:54, 9 July 2009

Approx figures for the 20 most abundant elements in Earth's crust:

Earth's crust
Earth cutaway
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

Notable missing from top 20:

  • Copper.
    Carbon might replace copper for many electrical (and thermal) conduction applications - see carbon nanotube 11px-Wikipedia_logo.jpg for further information