Helium is found in the atmosphere.
Helium is a gas. It is found in traces in the Earth's atmosphere.
It is found in the atmosphere.
There are several isotopes of Helium and they have different numbers of neutrons. The simplest and most common is Helium-4 which has two neutrons
helium balloons
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.
There are no common compounds of helium and probably are no compounds of helium at all, because helium is the least reactive of all elements.
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.
common
No. Helium nuclei are a common product of nuclear fission, as takes place in nuclear explosions and reactors. These nuclei then pick up electrons from other atoms and become whole helium atoms.
Helium does not combine with other elements and pure helium will exist by itself as elemental helium.
No. helium does not react with any other element
The two common elements found in the sun are Hydrogen and Helium.