Symbol
H
Atomic Number
1
Atomic Mass
1.008
Protons
1
Neutrons
0
Electrons
1
Type
Non-metal
Isotopes
Protium, Deuterium, Tritium
Discovery Year
1766
Discovered By
Henry Cavendish
Group
1
Period
1
Boiling Point
-423°F
Melting Point
-434°F
Electron Configuration
1s¹
Density (g/cm³)
8.988e-05
Crystal Structure
Hexagonal
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.14%
Phase at Room Temperature
Gas