Hydrogen is the most abundant element in the universe. It has a wide range of applications in industry, energy, and transportation. Its versatility and abundance have led to intense research and development in the field of hydrogen technology. Some important characteristics are summarized in the table below.
| Atomic Number | 1 |
| Electron Configuration |  |
| Electrons Per Shell | 1 |
Bond Length  | 0.74 Å |
One of the most common forms of hydrogen is the 
molecule, which is composed of two hydrogen atoms bonded together. is a colorless, odorless, and highly flammable gas that is used in a variety of applications, such as fuel cells and rocket propulsion. The bond between the two hydrogen atoms in the molecule is a covalent bond, meaning the atoms share electrons to form the bond.
Specifically, is common at standard temperature and pressure (
K , 
Pa). Under these conditions, a crystal structure will not form naturally as is a gas.
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