Dear Student, The group is Group 17. Name of grpup is Halogens. In this group F, Cl, Br are non-metals while I is a metal as well as non metals and At is a metal. Also, F and Cl are gaseous (as F2 and Cl2) at room temperature, Br is liquid (as Br2) and I is solid (I2) at room temperature. Regards.