Hydrogen, the first element of the periodic table with atomic number one, was discovered by Henry Cavendish in 1766 and named by Antoine Lavoisier. It constitutes about 73% of the universe's mass and has the lowest density of all gases, being approximately 14 times lighter than air. For further details on hydrogen spectrum, additional resources are available at https://jayamchemistrylearners.blogspot.com/

1. Hydrogen
Hydrogen
Hydrogen is the first element of
the periodic table with atomic
number one.
H
1.008
1
The scientist Henry Cavendish
first discovered it in 1766. The
element was named hydrogen by
the French chemist Antoine
Lavoisier.
Approximately 73% of the
mass of the universe is
composed of it.
Hydrogen has the lowest density
of all gases. It is about 14 times
lighter than air.
For more information on hydrogen spectrum,
please visit
https://jayamchemistrylearners.blogspot.com/