Question

observe the modern periodic table and explain the gradation in reactivity of halogen family​

Answer 1

Answer:

Explanation:

As studying the Modern periodic table, The group  17 contains the members of the halogen family.

All of them have the general formula X

2

. A gradation is observed in their physical state down the group.

Thus, fluorine (F

2

) and chlorine (Cl ) are gases. Bromine (Br

) is a liquid while iodine (I 2

22 ) is a solid.

​

Answer 2

Answer:

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As studying the Modern periodic table, The group  17 contains the members of the halogen family. 

All of them have the general formula X2. 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.