Q. ......... is least reactive element belonging to group 17 ?
✅ Correct Answer: (B)
Iodine
Explanation: Iodine is the least reactive element belonging to group 17. The 5 non-metallic, toxic elements that form group 17 of the periodic table are iodine, chlorine, fluorine, bromine, and astatine
Explanation by: Praveen Singh
Iodine is the least reactive element belonging to group 17. The 5 non-metallic, toxic elements that form group 17 of the periodic table are iodine, chlorine, fluorine, bromine, and astatine