Noble gases do not like giving up electrons. There are 2 electrons in the outer shell of helium and 8 electrons in the outer shell of the other noble gases (group 18 of the Periodic Table), representing filled shells.
All the inert gases have filled valence shells. Helium has two electrons, which completes its duplet. Neon and Argon have 8 electrons in their valence shell, completing the octet. Similarly, Krypton, Xenon and Radon have 18 electrons in their valence shells.
Each atom of a noble gas has eight 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.
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
All the noble gases have 8 electrons in their valence shell except helium which have 2 electrons in its valence shell.
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.
Group 18 contains eight valence electrons, namely the noble gases.
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
All the noble gases have 8 electrons in their valence shell except helium which have 2 electrons in its valence shell.
Because all noble gases have completely filled valence orbitals. Helium has 2 valence electrons whereas 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.
8, except for helium which has 2 valence electrons
Helium has only 2 valence electrons. The rest noble gases have eight.
These are the noble gases.
All noble gases have 8 valence electrons. Helium has only 2.
Helium is the noble gas with only 2 valence electrons