Difference between revisions of "Material/Twenty most abundant elements in Earth's crust"
From AdCiv
< Material
| Line 52: | Line 52: | ||
Notable missing from top 20: | Notable missing from top 20: | ||
| − | *Copper.<br><small>Carbon might replace copper for many electrical (and thermal) conduction applications - see [http://www.unidym.com/technology/cnt_property_electrical.html] and {{wp|Carbon_nanotube|carbon nanotube}} for further information</small> | + | *Copper.<br><small>Carbon might replace copper for many electrical (and thermal) conduction applications - see [http://www.unidym.com/technology/cnt_property_electrical.html], [http://www.scienceblog.com/cms/ub-engineers-prove-carbon-nanotubes-are-superior-metals-electronics-19679.html] and {{wp|Carbon_nanotube|carbon nanotube}} for further information</small> |
Revision as of 18:27, 28 August 2009
Approx figures for the 20 most abundant elements in 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
Notable missing from top 20:
- Copper.
Carbon might replace copper for many electrical (and thermal) conduction applications - see [2], [3] and carbon nanotube
for further information
