P Block Elements, Chemistry, Short Notes.
Group 17 (Halogens): F, Cl, Br, I, At ➡️ Properties: Highly reactive non-metals. ➡️ Uses: Fluorine (toothpaste), chlorine (disinfectant), bromine (fire retardants), iodine (antiseptic), astatine (radioactive). ➭ Group 18 (Noble Gases): He, Ne, Ar, Kr, Xe, Rn ➡️ Properties: Inert gases with stable