Essential for thyroid hormones.
Iodine is a halogen element located in period 5, group 17 of the periodic table. It has the chemical symbol I and atomic number 53. The electron configuration of Iodine is [Kr] 4d10 5s2 5p5, giving it 7 valence electron(s).
Explore Iodine in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.