halogen
chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
halogen: an element in Group 7 of the periodic table, such as chlorine, bromine or iodine
chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
halogen: an element in Group 7 of the periodic table, such as chlorine, bromine or iodine