EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.2.1 Group 7 (Halogens)
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.2.1 Group 7 (Halogens) Physical Properties The elements in group 7 are known as the halogens These are fluorine, chlorine, bromine, iodine...