Hydrogen
Properties
| Atomic Number | 1 |
| CAS Registry Number | 1333-74-0 |
| Chemical Symbol | H |
History
The atomic number is 1 and the chemical symbol is H. The name derives from the Greek hydro for water and genes for forming since it burned in air to form water. It was discovered by the English physicist Henry Cavendish in 1766.Holden, Norman E., (2004). History of the origin of the chemical elements and their discoverers. National Nuclear Data Center. Retrieved from http://www.nndc.bnl.gov/content/elements.html