Physical properties
Atomic mass: 1.0079
Density: 0.09 g/cm3
Group: Hydrogen
Electrons: 1s1
Melting point: 13.81 K
Boiling point: 20.28 K
Discovered: 1766
Atomic nucleus
Atomic mass: 1.0079
Protons (+): 1
Proton mass: 1.672 x 10-27kg
Electrons (-): 1
Electron mass: 9.109 x 10-31kg
Neutrons: 0
Electron
Orbit:
Electrons in the orbit:
Electron mass: 9.109 x 10-31kg
Energy level: eV