helium is a gas and is found only in the earth's atmosphere
Stars contain hydrogen, helium and a little iron.
Helium is a gas. It is found in traces in the Earth's atmosphere.
The two most common ones are hydrogen and helium gas
Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.
helium is a gas and is found only in the earth's atmosphere
Helium is found in the atmosphere.
A star can be made out of any compound found on Earth, but the most common is Hydrogen or Helium.
The two common elements found in the sun are Hydrogen and Helium.
Helium does not combine with other elements and pure helium will exist by itself as elemental helium.
If you mean the most common element it is hydrogen.
Helium is itself a chemical element and therefore is not found in any other chemical element.
helium is generally found in the earth's atmosphere or in the core of the sun