I
Iodine
53
Atomic Number: 53
Atomic mass: 126.904473
Ionization energy: 1008
Electronaffinity: -295
Covalent radius: 133
Calculated radius: 115
Empirical radius: 140
Vanderwaals radius: 198
Electronegativity: 2.66
Density: 4.94
Oxidation states: -1, 1, 3, 5, 7
Melting point: 387
Boiling point: 457
Electron configuration: [Kr] 4d10 5s2 5p5
Element group: 17
Element period: 5

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