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Helium is the second lightest element and the second most abundant element in the observable universe.
Helium is the first member and the most abundent element in the known universe
We see the light of main sequence stars throughout the universe. Such stars fuse hydrogen.
Carbon is the 4th most abundant element in the universe, after hydrogen, helium, and oxygen.
Hydrogen is the most abundant element in the universe.
Helium!
HElium
Helium is the second lightest element and the second most abundant element in the observable universe.
Helium is the first member and the most abundent element in the known universe
Helium is the second most plentiful element in the universe.
Hydrogen is the most abundant element in the known Universe; helium is second.
first hydrogen second 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.
Hydrogen is the most common element in the universe, not oxygen.Oxygen is the most common element on Earth, followed by silicone.
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.
The main element in the atmosphere is Nitrogen. The second is Oxygen.