helium was found in 1868 on a solar eclipse.
in 1867 a group of scientist discovered that when you mix to gases you get helium.
Helium is found in trace amounts in the atmosphere.
helium is found in the atmosphere.
Helium is found as a mono atomic element. It is not found as a mineral.
no. helium is found in the atmosphere.
helium is chemically inert and is not found in any materials
Yes. helium is found only in elemental form
helium is a gas and is found only in the earth's atmosphere
No. Helium is a gas and is generally found in the earth's atmosphere.
helium is a gas and is found only in the earth's atmosphere
According to astronauts everywhere helium is mostly found in stars
helium is generally found in the earth's atmosphere or in the core of the sun
Helium is a gas and is found either in the earth's atmosphere or in the core of the sun.