Question

Observe the modern periodic table explain the gradation in reactivity of halogen family

Answer 1

Answer:

As studying the Modern periodic table, The group 17 contains the members of the halogen family. ... A gradation is observed in their physical state down the group. Thus, fluorine (F2) and chlorine (Cl2) are gases. Bromine (Br2) is a liquid while iodine (I2) is a solid

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