Nitrogen is very abundant in Earth's atmosphere as it makes up 78% of it.
That element is Oxygen by 46.6%
Oxygen is the most abundant element in Earth's lithosphere, comprising about 45% of its mass.
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
Aluminum 7.5 to 8.1%
silicon
Siliconsilicon at 28%silicon!
This gas is oxygen.
silicon.
Silicon
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.