Electron Configuration of Neon (Ne)
Neon (Ne, Z = 10) has the electron configuration [He] 2s^2 2p^6, filling 2 shells with 2, 8 electrons.
This is the fast lane: one page, one fact, zero digressions. Read the quick answer, check the table, and if your exam needs the full derivation, the sections below walk through it step by step — in Bangla and English, like every page here. Need the whole picture instead — history, characteristics, uses, exam questions? The full Neon page is one click away.
Neon: every subshell, one by one
The table below unpacks [He] 2s^2 2p^6 line by line, so you can watch Neon's 10 electrons take their seats in order of increasing energy.
| Subshell | Electrons | Total so far |
|---|---|---|
| [He] | 0 | 2 |
| 2s | 2 | 4 |
| 2p | 6 | 10 |
Electrons per shell (K, L, M…)
Grouped by principal quantum number instead of subshell, Neon carries 2 in shell 1, 8 in shell 2. The outermost shell holds 8 electrons — the ones that do all the bonding.
How to derive it yourself
Follow the aufbau order (1s → 2s → 2p → 3s → 3p → 4s → 3d → …), pouring 10 electrons into orbitals of capacity 2 (s), 6 (p), 10 (d) and 14 (f) until none remain. Write the filled inner shells as the nearest noble-gas core — for Neon that gives [He] 2s^2 2p^6.
Students also ask
How many electron shells does Neon have?
Neon is in period 2, so its electrons occupy 2 shells, holding 2, 8 electrons respectively.
How many valence electrons does Neon have?
Its outermost shell holds 8 electrons, so Neon has 8 valence electrons that take part in bonding.
What is the noble-gas shorthand for Neon?
The shorthand form is exactly [He] 2s^2 2p^6.