Question

Helium is the second most abundant element in the
universe. However, there are no known compounds of
Helium. Why?
​

Answer 1

Answer:

Helium is the second most abundant element in the universe . but there are no known compounds of helium because IT IS A NOBLE GAS. noble gases have stable 8 electronic configuration in its valence shell and it is stable electronic configuration.

Explanation:

however,there are no known compound of helium. why? Helium is a noble gas or an inert gas and is called so because it contains 2 electrons in its valence or outermost shell. ... Hence, helium does not react with other elements, and therefore compounds of helium are not known.30-Jul-2013

Answer 2

Answer:

Helium has 2 electrons in its K shell. It is thus a noble or inert gas and doesn't react with any other element or compound.