there is no chemical reaction which ionises helim. the ionization energy is 2372 kJ/mol which is the highest of all the elements. The He+ ion can be formed in for example plasmas. He2+ can also be formed - this is the bare nucleus containing two protons.
Helium does not form compounds.
Helium is chemically inert and does not form any compounds.
Yes. helium is found only in elemental form
No. helium does not form cation
Yes - helium is a form of matter
helium doesn't form compounds
helium doesnt form bond with other elements
Helium does not form any compounds.
Helium is a gaseous chemical element.
Hydrogen and helium are formed in Sun.
hydrogen combine to form helium by nuclear fusion reaction
It does not form bonds