July 10, 2021
P Block Elements Class 12 Notes | Part 3 | Group 17 and 18 | Chapter 7 |
Group 17 of periodic table consists of five elements, i.e., fluorine, chlorine, bromine, iodine and astatine. These elements are called Halogens. Fluorine is most reactive and hence is also called super halogen. Astatine is radioactive and hence occurs in nature only in traces.
