oxygen
Hydrogen is the most abundant element found on Earth. Other abundant elements include helium, and oxygen, as well as silicon.
Oxygen is the most abundant element in Earth's crust.
The 21st most abundant element in the Earth's crust is Chlorine (Cl). It forms 0.05% of the Earth's crust.
The second most common element in the earth's crust behind oxygen is silicon.
Nitrogen is the least abundant element in the atmosphere of the Earth. The most abundant element in the atmosphere of the Earth is oxygen.
The second most common element on Earth is silicon, which makes up about 28% of Earth's crust. The most common element found on a Earth is oxygen which is about 47%.
Oxygen is the most common element in the crust.
Sodium is the 6th most abundant element on earth. It is never found as a single element; instead you will only find it in compounds (like table salt).
Hydrogen is the most abundant element found on Earth. Other abundant elements include helium, and oxygen, as well as silicon.
Iron is, by mass, the most abundant element on Earth. It forms most of Earth's inner and outer core, and it is also found in hemoglobin on red blood cells.
Carbon is the most abundant element on earth.
Oxygen is the most common element in the crust.
In the Earth's atmosphere.
water is the and most found substance also earth and air
Silicon.
water
Roentgenium is an artificial chemical element.