Well, since the moon was formed from the Earth, I'd say silica or the main components of feldspars.
By the way, the moon is made of anorthite.
The most abundant element on the moon is oxygen, which is primarily found in the form of oxides in the lunar regolith (surface material). Silicon, aluminum, and iron are also common elements present on the moon.
Oxygen is most abundant element .
The most abundant element where? It is the most abundant element in Earth's crust. The most abundant element on planet Earth, on the other hand, is iron, while the most abundant element in the Universe is hydrogen.
The most abundant element in the universe is hydrogen.
Hydrogen is the most abundant element in the known Universe; helium is second.
Oxygen is the most abundant element in the Earth's crust.
Hydrogen is the most common element in the universe, and in the Sun.
The most abundant element in the universe is hydrogen.
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the universe.
Nitrogen is the most abundant element in the earth's atmosphere.