The Most Common Elements In The Earth's Crust

can you name the most common elements in the earths crust
Info from Webelements.com
Quiz by zoedad
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Last updated: December 31, 2018
First submittedDecember 31, 2018
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Parts Per Million
Answer
461,000
Oxygen
282,000
Silicon
82,300
Aluminium
56,300
Iron
41,500
Calcium
23,600
Sodium
23,300
Magnesium
20,900
Potassium
5,650
Titanium
1,400
Hydrogen
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