35Br
Bromine
브로민 · 臭素
Halogen
Atomic number35
ElementBr — Bromine
Atomic mass79.904
CategoryHalogen
Group17
Period4
Electron config[Ar] 3d10 4s2 4p5
Shells2,8,18,7
State (RT)Liquid
Melting pt-7°C
Boiling pt59°C
Electronegativity2.96
Discovered1826
Main usesFlame retardants, disinfectants
2 · 8 · 18 · 7