Accessible catalog
The same elements shown on the hall wall, read as an ordinary list. Opened on Hydrogen.
- Atomic number
- 1
- Atomic mass
- 1.008
- Group block
- Nonmetal
- Standard state
- Gas
- Electron configuration
- 1s1
Measures
- Electronegativity
- 2.2
- Atomic radius
- 120
- Ionisation energy
- 13.598
- Electron affinity
- 0.754
- Melting point
- 13.81
- Boiling point
- 20.28
- Density
- 0.00008988
- Year discovered
- 1766