Helium is an inert gas, of which there are no known compounds. However, it is also a gas, and do to the free random movement of all gasses, and heliums relatively high average velocity as predicted by the kinetic theory of matter because of its low mass, helium molecules in a gas are moving quite rapidly. Helium will mix with all gasses, to some extend, but will mix the most at high temperatures, with gasses of similar molecular weights, in small areas.
The symbol of helium is he
helium is an element, it is a mono atomic molecule, He2 .
Helium is an element. It is a noble gas with the atomic number 2 and symbol He on the periodic table.
Helium is an element. It is a noble gas. It is in the 18th period.
Helium is an element
Oxygen, Hydrogen and Helium.
It is a element
The element symbol for helium is He
Helium is an element.
Helium is an element.
The symbol of helium is he
The element name for He is Helium. It is a colorless, odorless, and tasteless gas that is the second lightest and second most abundant element in the universe.
Helium is an element.
Helium is an element.
Helium is an element. It is a noble gas with the atomic number 2 and is the second lightest element in the periodic table. Helium exists as single atoms and does not form compounds with other elements.
helium is an element, it is a mono atomic molecule, He2 .
Helium is an element. It is a noble gas with the atomic number 2 and symbol He on the periodic table.