Ne
Neon
Z 10 20.18 g/molNoble Gas
| 20Ne | 10 | 19.9924 | -7,041.932 | 90.48% | Stable | 0+ | --- | 1913 |
| 22Ne | 12 | 21.9914 | -8,024.716 | 9.25% | Stable | 0+ | --- | 1913 |
| 21Ne | 11 | 20.9938 | -5,731.78 | 0.27% | Stable | 3/2+ | --- | 1928 |
| 15Ne | 5 | 15.0432 | 40,220.0 | --- | 770.0 ys | (3/2-) | p→13O(100%) | 2014 |
| 16Ne | 6 | 16.0258 | 23,987.0 | --- | --- | 0+ | p→14O(100%) | 1977 |
| 17Ne | 7 | 17.0177 | 16,500.5 | --- | 109.2 ms | 1/2- | β⁺p→16O(94.4%) β⁺α→13N(3.51%) β⁺→17F(2.076%) β⁺pα(0.014%) | 1963 |
| 18Ne | 8 | 18.0057 | 5,317.6 | --- | 1.66 s | 0+ | β⁺→18F(100%) | 1954 |
| 19Ne | 9 | 19.0019 | 1,752.05 | --- | 17.26 s | 1/2+ | β⁺→19F(100%) | 1939 |
| 23Ne | 13 | 22.9945 | -5,154.05 | --- | 37.15 s | 5/2+ | β⁻→23Na(100%) | 1936 |
| 24Ne | 14 | 23.9936 | -5,951.6 | --- | 3.38 m | 0+ | β⁻→24Na(100%) | 1956 |
| 25Ne | 15 | 24.9978 | -2,036.0 | --- | 602.0 ms | 1/2+ | β⁻→25Na(100%) | 1970 |
| 26Ne | 16 | 26.0005 | 481.0 | --- | 197.0 ms | 0+ | β⁻→26Na(99.87%) β⁻n→25Na(0.13%) | 1970 |
| 27Ne | 17 | 27.0076 | 7,050.0 | --- | 30.9 ms | (3/2+) | β⁻→27Na(98%) β⁻n→26Na(2%) β⁻n→25Na | 1977 |
| 28Ne | 18 | 28.0121 | 11,300.0 | --- | 18.8 ms | 0+ | β⁻→28Na(84.3%) β⁻n→27Na(12%) β⁻n→26Na(3.7%) | 1979 |
| 29Ne | 19 | 29.0198 | 18,400.0 | --- | 14.7 ms | (3/2-) | β⁻→29Na(68%) β⁻n→28Na(28%) β⁻n→27Na(4%) | 1985 |
| 30Ne | 20 | 30.025 | 23,280.0 | --- | 7.22 ms | 0+ | β⁻→30Na(78.1%) β⁻n→29Na(13%) β⁻n→28Na(8.9%) | 1985 |
| 31Ne | 21 | 31.0335 | 31,180.0 | --- | 3.4 ms | (3/2-) | β⁻→31Na(100%) β⁻n→30Na β⁻n→29Na | 1996 |
| 32Ne | 22 | 32.0397 | 37,000.0 | --- | 3.5 ms | 0+ | β⁻→32Na(100%) β⁻n→31Na β⁻n→30Na | 1990 |
| 33Ne | 23 | 33.0495 | 46,130.0 | --- | --- | (7/2-) | n→32Ne | --- |
| 34Ne | 24 | 34.0567 | 52,840.0 | --- | 2.0 ms | 0+ | β⁻→34Na β⁻n→32Na β⁻n→33Na | 2002 |