Periodic Table Of The Elements

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Atomic Number: 53
Symbol: I
Name: Iodine
Group: 17
Period: 5
Weight: 126.90447(3)
Density: 4.93
Melting Point: 386.65
Boiling Point: 457.4
Specific Heat Capacity: 0.214
Electronegativity: 2.66
Abundance: 0.45