what are the similarities in properties of elements in halogen family?
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"All in this group are characterized by the presence of 7 e- in an outer shell, and hence have the ability to gain an e- to form negative ions w/ a completed octet of valence e-’s.
All these elements share traits of being very reactive and in particular form substitution compounds w/ numerous organic compounds.
Although these elements also have other valences all have a -1 valence in common."
All these elements share traits of being very reactive and in particular form substitution compounds w/ numerous organic compounds.
Although these elements also have other valences all have a -1 valence in common."
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