Basic Information

Name:bromine

Symbol:br

Classification:Bromine is a halogen and a nonmetal

color:red-brown

Atomic weight :78.96

state: liquid

Melting Point: -7 oC , 277 K

Boiling Point:58.9 oC, 332 K

Shells: 2,8,18,7

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

Density @ 20oC:3.122 g/cm3

Atomic volume:23.5 cm3/mol

Structure:layers of Br2

hardness: