Helium is located in period 1, group 18 of the Periodic Table and has an atomic number equal to 2. As a result, neutral helium will only have 2 electrons surrounding its nucleus.
See Also
1.3: Valence electrons and open valences2.7: Applications of Electron Configurations: Valence Electrons and Electron Dot Structuresvalence electrons, atomic # and nucleus • AssignmentsValence electrons and ionic compounds (video) | Khan AcademyValence electrons are the electrons located in an atom's outermost shell. In helium's case, both its electrons will be valence electrons.
Its electron configuration can be used to better show this
Two electrons in its outermost (and only) shell, two valence electrons.
