| Z | 2 |
|---|---|
| Symbol | He |
| Name | Helium |
| Group | 18 |
| Period | 1 |
| Atomic mass Scalar | 4.002602 |
| Density Scalar | 0.1785 |
| Melting point Scalar | 0.95 |
| Boiling point Scalar | 4.22 |
| Specific heat capacity Scalar | 5.193 |
| Electronegativity Scalar | no data |
| Abundance | 0.008 |
| Ionisation energy Scalar | 24.58741 |
| Atomic radius Scalar | 31 |
| Electron configuration | 1s2 |
| Left neighbor | H |
| Bottom neighbor | (Be)/Ne |
| German name | Helium |
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