Chlorine $\mathrm { Cl } _ { 2 }$ ,Is a Gas at Room Temperature,but Bromine

Multiple Choice

Chlorine, $\mathrm { Cl } _ { 2 }$ ,is a gas at room temperature,but bromine, $\mathrm { Br } _ { 2 }$ ,is a liquid.Explain.

A) Chlorine atoms are larger and this makes the formation of induced dipole-induced dipole attractions more favorable.
B) Bromine atoms are larger and this makes the formation of induced dipole-induced dipole attractions more favorable.
C) The smaller chlorine molecules are able to pack together in a tighter physical orientation.
D) The bromine ions are held together by ionic bonds.