Noble Gas Elements
Noble gases are in Group 18 and are nearly inert due to their full valence electron shells. They have very low reactivity.
7 elements
2He
Helium
4.00260 uGas
10Ne
Neon
20.180 uGas
18Ar
Argon
39.9 uGas
36Kr
Krypton
83.80 uGasEN: 3
54Xe
Xenon
131.29 uGasEN: 2.6
86Rn
Radon
222.01758 uGas
118Og
Oganesson
295.216 uExpected to be a Gas
Property Comparison
| # | Symbol | Name | Mass (u) | State | MP (K) | BP (K) | EN | Density |
|---|---|---|---|---|---|---|---|---|
| 2 | He | Helium | 4.00260 | Gas | 0.95 | 4.22 | — | 0.0001785 |
| 10 | Ne | Neon | 20.180 | Gas | 24.56 | 27.07 | — | 0.0008999 |
| 18 | Ar | Argon | 39.9 | Gas | 83.8 | 87.3 | — | 0.0017837 |
| 36 | Kr | Krypton | 83.80 | Gas | 115.79 | 119.93 | 3 | 0.003733 |
| 54 | Xe | Xenon | 131.29 | Gas | 161.36 | 165.03 | 2.6 | 0.005887 |
| 86 | Rn | Radon | 222.01758 | Gas | 202 | 211.45 | — | 0.00973 |
| 118 | Og | Oganesson | 295.216 | Expected to be a Gas | — | — | — | — |