Oxygen at 20.9%
The second most abundant element in the Earth's crust is silicon, comprising 27.8% of the crust by mass.
silicon.
That would be silicon, or SiO2
the most abundant gas of the atmosphere is nitrogen with high percentage 78.09
The earths outer core's most abundant elemant is silicon. :)
nitrogen
Nitrogen
Iron is the most abundant metal in the inner and outer core of the Earth.
Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of the air we breathe. Oxygen is the second most abundant gas, comprising about 21% of the atmosphere.
Oxygen is the most abundant element in Earth's lithosphere, comprising about 45% of its mass.
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.
No,the second most abundant