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10 Most Abundant Elements in Earth's Crust

Guess the 10 most abundant elements found in the Earth's crust.
According to https://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth%27s_crust
Also according to https://periodictable.com/Properties/A/CrustAbundance.html
Only Earth's crust.
Quiz by MooshDaMoosh
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Last updated: February 19, 2020
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First submittedFebruary 19, 2020
Times taken44
Average score70.0%
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Abundance
Element
46%
Oxygen
27%
Silicon
8.1%
Aluminum
6.3%
Iron
5%
Calcium
Abundance
Element
2.9%
Magnesium
2.3%
Sodium
1.5%
Potassium
0.66%
Titanium
0.18%
Carbon
2 Comments
+2
Level 78
Feb 19, 2020
Aluminium is missing the second "i".
+1
Level 43
Feb 21, 2020
Aluminium is an alternate spelling of Aluminum, and can be used as a type-in. The reason I spelled it Aluminum is because that is how I spell it, but you can still put in Aluminium and it would be a correct answer.