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ELEMENTS OF GROUP 17 (PHYSICAL TRENDS OF GROUP 17 (MELTING AND BOILING…

- - - - PHYSICAL PROPERTIES
        
        1) BLOCK:
        p
        2) ATOMIC NUMBER:
        53
        3) ELECTRON CONFIGURATIONS:[Kr] 4d105s25p5
        4) MELTING POINT:
        113.7°C, 236.7°F, 386.9 K
        
        5) BOILING POINT:
        184.4°C, 363.9°F, 457.6 K
        6) DENSITY (g cm−3):
        4.933
        7) RELATIVE ATOMIC MASS:
        126.904
      - CHEMICAL PROPERTIES
        1) Iodine, I2 is not reactive towards with oxygen, O2, or nitrogen, N2.
        2)Iodine, I2, reacts with water to produce hypoiodite, OI-. The position of the equilibrium depends very much upon the pH of the solution.
        3) Iodine, I2, reacts with water to produce hypoiodite, OI-. The position of the equilibrium depends very much upon the pH of the solution.