What are the basic properties of Iodine?
Iodine (symbol: I) is a halogen with atomic number 53. Its atomic mass is 126.9 u, and it belongs to period 5 and group 17.
Iodine (symbol: I) is a halogen with atomic number 53. Its atomic mass is 126.9 u, and it belongs to period 5 and group 17.
The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁵
Melting point: 386.85 K
Boiling point: 457.4 K
Density: 4.93 g/cm³
Biological role: Essential for thyroid function
Natural occurrence: Found in seawater and certain minerals