3Li
Lithium
리튬 · リチウム
Alkali metal
Atomic number3
ElementLi — Lithium
Atomic mass6.94
CategoryAlkali metal
Group1
Period2
Electron config[He] 2s1
Shells2,1
State (RT)Solid
Melting pt181°C
Boiling pt1342°C
Electronegativity0.98
Discovered1817
Main usesLithium-ion batteries
2 · 1