I don't think noble gasses have valence electrons. They are noble because all their shells are full which makes them not as reactive.
The Noble Gases are so-called because they do not readily react chemically with anything, due to their valence electron shells being filled with 8 electrons. The exception, of course, is helium, He, which only has 2.
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
Noble gases have completely filled orbitals / energy levels. They generally have 8 valence electrons (helium has only 2 valence electrons) and have stable electronic configuration.
Because all noble gases have completely filled valence orbitals. Helium has 2 valence electrons whereas all other noble gases have 8 valence electrons.
Valence electrons are electrons in the outermost shell (or outermost energy level or outermost orbital) in an atom. Noble gases have 8 valence electrons. But helium (a noble gas) has only 2 valence electrons.
8, except for helium which has 2 valence electrons
Helium has only 2 valence electrons. The rest noble gases have eight.
Group 18 contains eight valence electrons, namely the noble gases.
These are the noble gases.
All noble gases have 8 valence electrons. Helium has only 2.
Inert gases have 8 valence electrons. This is why they are inert, they have a complete octet formed of electrons and are in their lowest energy configuration.
Helium is the noble gas with only 2 valence electrons