Periodic table of elements

53 - Iodine [I]

53: Iodine - Iodum [I]
Group: 17
Period: 5
Atomic number: 53
Atomic mass: 126.90447
Configuration: [Kr] 4d105s25p5
Atomic radius: 115 pm
Covalent radius: 139 pm
Electron affinity: 295.2 eV
Ionization energy: 10.4513 eV
Electronic term: 2P3/2
Mass fraction in the earth crust: 0.00000049
Mass fraction in the earth space: 0.000000001
Electronegativity: 2.66

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