Answer: halogens

AnswerCrossword Clue
HALOGENSElements of light around the head generals (8)
HALOGENSSome headlights
HALOGENSCertain lamps
HALOGENSOnly group with elements in all three states of matter at room temperature
halogensany of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals
halogensHALOGEN, a non metallic element