Bromine

Halogen

Symbol: Br

Atomic Number: 35

Standard State: Liquid

Atomic Mass: 79.9

Electron Configuration: [Ar]4s2 3d10 4p5

Electronegativity: 2.96

Atomic Radius: 183

Ionization Energy: 11.814

Melting Point: 265.95

Boiling Point: 331.95

Density: 3.11

Year Discovered: 1826