What Are The Properties Of Helium Gas?

It is the second lightest gas in the universe, only slightly heavier than hydrogen. Noble gases are also called inert gases. They have stable chemical properties and are not easy to form compounds. They are excellent gases that will never explode. They have a very low boiling point and are powerful coolants.
Source: Helium is a product of underground nuclear reactions and exists underground. Although helium is also present in the air, it accounts for a small proportion and is difficult to extract directly. The helium used today is basically extracted from natural gas.