Gradation in halogen family- Needs
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Gradation in halogen family- Needs
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Answer:
The group 17 contains the members of halogen family. all the general formula X2 a graduation is observed in the their physical state down the group. the non_ metallic element fluorine (F2) and chlorine (Cl2) are gases , bromine (br2) is a liquid while iodine ( I2) is a solid.