Observe the Modren periodic Table and explain the gardation in reactivity of Halogen family
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Bromine (Br2) is a liquid while iodine (I2) is a solid. The elements in the group seven of the periodic table are termed as Halogens. The elements in this group are diatomic in nature and very much reactive. ... The moment you move down the group the electro negativity decreases as the size of the atom increases.
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