hallides of grp 13 elements one example Share with your friends Share 1 Geetha answered this They form XCl3 due to their valency 3. For ex., Al3 Cl1 -When you cross multiply it forms AlCl3 1 View Full Answer Aviral Jain answered this Alumunium 1 Suruchi Bedi answered this Example of hallides of group 13 is AlCl3 -2
