Atomic symbol: H
Atomic number: 1
Atomic mass: 1.01
Appearance: colorless gas at 25°C
Series: reactive nonmetal
Electron configuration: 1s¹
Most abundant element in the universe.
Most common isotope is H^+^ where hydrogen has 1 proton and 0 neutrons.
Fun Fact! About 10% of the mass of the human body is made up of hydrogen.
Picture of Hydrogen