Density
0.07099 g/cm³ (liquid at melting point)
Discovery
Discovered by Henry Cavendish in 1766.
Common Uses
-
Used as fuel in hydrogen fuel cells
-
Key component in ammonia production (for fertilizers)
-
Used in rocket fuel and space exploration
Interesting Facts
-
Hydrogen is the most abundant element in the universe, making up about 75% of its mass.
-
It exists mainly in molecular form (H₂) on Earth.
-
The Sun primarily consists of hydrogen and converts it into helium through nuclear fusion, releasing energy.
Back to Periodic Table