silicon.
The second most abundant element in the Earth's crust is silicon, comprising 27.8% of the crust by mass.
That would be silicon, or SiO2
That element is Oxygen by 46.6%
The fifth most abundant element in the Earth's crust is potassium. It makes up about 2.6% of the Earth's crust by weight.
Silicon
Oxygen is the most abundant element in Earth's crust, making up about 47% of its mass. Silicon is the second most abundant element, comprising approximately 28% of the crust's mass.
silicon
Aluminum 7.5 to 8.1%
Siliconsilicon at 28%silicon!
The most abundant element in Earth's crust is oxygen, making up about 46% of its mass. Silicon is the second most abundant element, comprising about 28% of the Earth's crust.
Silicon
Silicon is the second most abundant element on earth. Silicon dioxide and silicates (salts derived from silicon dioxide) make up approximately 87% of the materials in the earths crust. Oxygen is the most abundant, making up slightly less then 50% of the total mass of the earth's crust, waters, and atmosphere.