Most Abundant Elements in Earth's Crust

Do you know which elements are most prominent in Earth's crust?

Source (CRC Column)

Calculated in parts per million (ppm)

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Last updated: January 7, 2020

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First submitted	January 7, 2020
Times taken	23
Average score	46.7%
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Ppm	Answer
461,000	Oxygen
282,000	Silicon
82,300	Aluminum
56,300	Iron
41,500	Calcium
23,600	Sodium
23,300	Magnesium
20,900	Potassium
5,650	Titanium
1,400	Hydrogen
1,050	Phosphorus
950	Maganese
585	Fluorine
425	Barium
370	Strontium

Level 85

Jan 7, 2020

Awesome!!!! Also try Most Abundant Metals in the the Earth's Crust and the Solar System!

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