Identify all of the following four species that have a square planar geometry: 1) Sulfur tetrafluoride [tetrah-FLOOR-ide]; 2) Carbon tetrachloride [tetrah-KLOOR-ide]; 3) Xenon [ZEE-non] tetrafluoride; 4) Iodine tetrabromide [tetrah-BROH-mide] anion [AN-eye-on] with a 1- charge