Iodine

Element information

Atomic properties

Mass: 126.9045 u

Electron configuration: [Kr]5s2 4d10 5p5

Oxidation states: +7, +5, +1, -1

Electronegativity: 2.66

Physical properties

Density: 4.93 g/cm³

Standard state: solid

Melting point: 386.85 K

Boiling point: 457.55 K

₅₃I

Part of the Periodic Table 2 collection

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