HYDROGEN
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | H |
| Atomic Number: | 1u |
| Mass: | 1.00794 |
| Melting Point: | -259.14C |
| Boiling Point: | -252.87C |
| Number of Protons/Electrons: | 1 |
| Number of Neutrons: | 0 |
| Classification: | Non-metal |
| Crystal Structure: | Hexagonal |
| Density at 293 K: | 0.08988 g/cm3 |
| Color: | Colorless |
| Bonding radius | 0.32 A |
| Atomic radius | 0.79 A |
| Ionization Potential: | 13.598 V |
| Electronegativity: | 2.2 |
| Heat of vaprization: | 0.44936 kJ/mol |
| Heat of fusion: | 0.05868 kJ/mol |
| Specific heat: | 14.304 J/gK |
| Electron configuration: | 1s1 |
Crystal Structure
| Isotope | Half Life |
| H or H1 | Stable |
| D or H2 | Stable |
| T or H3 | 12.3 years |
| Date of Discovery: | 1766 |
| Discoverer: | Henry Cavendish |
| Uses: | Balloons, metal refining,liquefied fuel
Scientific applications (especially D isotope form) |
| Obtained From: | mines, oil, gas wells |
Pure Power: Information about hydrogen-powered cars
sci.energy.hydrogen A newsgroup about hydrogen
The American Hydrogen Association More information about hydrogen energy systems
Hydrogen Bonding From the University of Idaho
Why use hydrogen? More information about hydrogen energy
Hydrogen InfoNet From the US Department of Energy
Chemical Of The Week -- Hydrogen From the University of Wisconsin-Madison