Most Common Elements On Earth

Name the 8 most abundant elements that make up 98.5% of the Earth's crust.
Quiz by Mluster15
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Last updated: November 14, 2015
First submittedNovember 14, 2015
Times taken141
Average score50.0%
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Percent of Crust
Element
46.6%
Oxygen
27.7%
Silicon
8.1%
Aluminum
5.0%
Iron
Percent of Crust
Element
3.6%
Calcium
2.8%
Sodium
2.6%
Potassium
2.1%
Magnesium
+1
Level 67
Dec 20, 2018
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