Hydrogen has the symbol H.
From the Greek words "hydro" and"genes"
meaning "water" and "generator". First isolated
by Henry Cavendish in 1766.
Atomic Number = 1, Atomic Mass = 1.006, 1 proton, 1 electron,
Most common use:
Commercial fixation of nitrogen from the air in the Haber
ammonia process, hydrogenation of fats and oils, methanol production,
rocket fuel (in the Space Shuttle's large external tank as a
liquid along with liquid oxygen).
Common compounds include, water, ammonia, hydrochloric acid,
and present in all organic compounds mostly bonded to carbon.