Science, asked by surshenbopche1982, 1 month ago

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

Answers

Answered by srimans8e20192020
0

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  

2

) are gases. Bromine (Br  

2

) is a liquid while iodine (I  

2

) is a solid.

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