It has symbol he and atomic number 2 Helium, chemical element, inert gas of group 18 (noble gases) of the periodic table Helium is an odorless, nontoxic, colorless, tasteless gas It has a very low chemical reactivity and it is lighter than air For decades, helium has been produced with natural gas, generating huge carbon emissions Sources, facts, uses, scarcity (sri), podcasts, alchemical symbols, videos and images.
Helium element, with the symbol he and atomic number 2, is the second most abundant chemical element in the universe It has the lowest boiling and melting points of any element. Helium is used for a lot more than party balloons In its most important use, liquid helium is used to cool mri machines in hospitals Its diverse properties allow helium gas and liquid helium to be used in many ways. It is the second lightest element in the universe, after hydrogen, and is primarily found in stars, including our sun.
At the same time, geologists are uncovering clues that very old.
OPEN
