Where are halogens on the periodic table? Plz include pic

Chemistry answer as much as you can if you can't answer more then 2 don't answer

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: