Phases of Bromine

Summary

A large bulb containing bromine shows the three phases.

Hazards

Toxic gas, strong oxidant.

Materials

  • Large sealed bulb containing bromine vapor
  • Tray of dry ice

Procedure

A large bulb of bromine is placed in dry ice so that it solidifies. As the bulb warms the bromine liquefies and bromine gas fills the bulb.

Discussion

Mp = -7.2° C ; Bp = 58.8° C