Helium!
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the known Universe; helium is second.
On planet earth, silicon is the second most abundant element. It comprised 28 percent of the earth's crust. The most abundant is oxygen, which makes up about 47 percent of the earth's crust. The second most abundant element in the universe is helium.
Hydrogen is the most abundant element in the known Universe; helium is second.
Helium is believed to be the second most abundant element in the universe, because the energy of most stars arises from the fusion of hydrogen to produce helium.
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.
first hydrogen second helium
Hydrogen is the most abundant element in the universe.
The most abundant element in the universe is hydrogen.
Helium is the second lightest element and the second most abundant element in the observable universe.
The most abundant element in the universe is hydrogen.
Hydrogen is the most abundant element in the universe.