30Zn
Zinc
아연 · 亜鉛
Transition metal
Atomic number30
ElementZn — Zinc
Atomic mass65.38
CategoryTransition metal
Group12
Period4
Electron config[Ar] 3d10 4s2
Shells2,8,18,2
State (RT)Solid
Melting pt420°C
Boiling pt907°C
Electronegativity1.65
Discovered1746
Main usesGalvanizing, brass, supplements
2 · 8 · 18 · 2