Most Common Elements on Earth

Name the 20 most common elements. Figures are parts per billion

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Last updated: April 18, 2014

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First submitted	January 16, 2013
Times taken	610
Average score	65.0%
Rating	4.40
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Atoms ppb	Element
482,000,000	Oxygen
164,000,000	Magnesium
150,000,000	Silicon
148,000,000	Iron
15,300,000	Aluminum
11,100,000	Calcium
8,010,000	Nickel
6,700,000	Hydrogen
5,150,000	Sulfur
2,300,000	Chromium

Atoms ppb	Element
2,000,000	Sodium
1,600,000	Carbon
1,020,000	Phosphorus
800,000	Manganese
440,000	Titanium
390,000	Cobalt
110,000	Potassium
56,000	Chlorine
53,600	Vanadium
46,000	Nitrogen

Level 67

Jul 30, 2013

Please accept aluminium and sulphur, as these are the British English spellings

Level 55

Apr 18, 2014

Agreed. I wrote Sulphur, it should be correct.

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