Answers

2014-05-31T08:22:38+05:30
1.They have high electronegativity.
2.Seven valence electrons.
3.Highly reactive.

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  • Brainly User
2014-05-31T09:22:49+05:30
Halogens are poor conductor of electricity and heat.
They can exist all three classical states of matter(I.e solid,liquid,gas)
All Halogens are high electronegative

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