Neon Valence Electrons
Why neon has 8
Neon has 10 electrons, arranged as 1s2 2s2 2p6. The highest shell is n = 2, holding 2s2 2p6, so 2 + 6 = 8.
Neon is in group 18; for groups 13–18 subtract 10 from the group number.
What that means for bonding
With a full outer shell, neon has no drive to gain, lose or share electrons, which is why it is so unreactive.
Electrons per shell: 2, 8. See the neon electron configuration and orbital diagram or the full neon data sheet.
Same group, same count
Neon valence electrons FAQ
How many valence electrons does neon have?
Neon has 8 valence electrons. Its electron configuration is 1s² 2s² 2p⁶, and the outermost shell (n = 2) holds 2s² + 2p⁶.
How do you find the valence electrons of neon?
Neon is in group 18; for groups 13–18 subtract 10 from the group number.
How many bonds does neon form?
With a full outer shell, neon has no drive to gain, lose or share electrons, which is why it is so unreactive.
What is the Lewis dot structure of neon?
The symbol Ne with 8 dots around it, one per valence electron, placed singly on each side before any side is paired.
How many core electrons does neon have?
2: 10 electrons in total minus the 8 valence electrons.