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THE TEN MOST COMMON ELEMENTS IN THE EARTH'S CRUST
No.
Element
Percentage by weight
1
Oxygen
45.6
2
Silicon
27.3
3
Aluminium
8.4
4
Iron
6.2
5
Calcium
4.7
6
Magnesium
2.8
7
Sodium
2.3
8
Potassium
1.8
9
Hydrogen
1.5
10
Titanium
0.6
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