1H
Hydrogen
수소 · 水素
Nonmetal
Atomic number1
ElementH — Hydrogen
Atomic mass1.008
CategoryNonmetal
Group1
Period1
Electron config1s1
Shells1
State (RT)Gas
Melting pt-259°C
Boiling pt-253°C
Electronegativity2.2
Discovered1766
Main usesFuel cells, ammonia synthesis
1