Helium does not exist in atmosphere as it is a very light gas.
Helium does not combine with other elements and pure helium will exist by itself as elemental helium.
helium cannot be found in any compounds. it is chemically inert
water
No. Helium is not an compound, it is a element.
Helium is not a compound, it is an element.
One compound containing helium is helium hydride (HeH+). It is the first compound to be formed in the universe and is found in planetary atmospheres. It is important in astrochemistry for understanding the chemistry of the early universe.
Helium is not a compound, it is an element.
Helium is an element and not a compound or mixture.
No it is not, helium is an element. A compound is a combination of two or more elements.
Helium (He) is a chemical element, not a compound; the chemical symbol is He.
Jupiter is formed from hydrogen and helium, it is a gas giant.