Helium has completely filled orbitals and is hence chemically inert.
Elements react with other elements by exchanging or sharing electrons to obtain a stable electron configuration
Helium has a full, outer shell of 2 electrons and so is stable as it is.
Helium is unusual in this respect as most stable electron configuration have 8 outer shell electrons.
Helium has completely filled orbitals and is hence chemically inert.
Because it is a noble gas. Noble gases are unreactive because their outer electron shells are full.
Helium and neon have completely filled valence orbitals which is a stable electronic configuration. Hence they are chemically inert and do not react with any other elements.
Yes.