P Block

Step 1: Concept
Electronic configuration determines the position of an element in the periodic table.
Step 2: Analysis
Atomic number 53 corresponds to Iodine (I). Electronic configuration: .
Step 3: Classification
Elements with valence configuration are Group 17 elements, known as Halogens.
Step 4: Conclusion
Hence, the element belongs to the halogen family.
Final Answer:(A)