Question

write three characteristics of group which have seven electrons in outermost

Answer 1

Answer:

Elements having seven electrons in their outermost are :- Fluorine, Chlorine, Bromine, Iodine

Explanation:

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Answer 2

Answer:

The family of elements having seven electrons in the valence shell is halogens, i.e., chlorine, fluorine, bromine, iodine, astatine.