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elena-s [515]
3 years ago
11

Describe the electronic structure of halogen how it changeS down the group

Chemistry
1 answer:
svlad2 [7]3 years ago
8 0
The reactivities of the halogens decrease down the group ( At < I < Br < Cl < F). This is due to the fact that atomic radius increases in size with an increase of electronic energy levels. This lessens the attraction for valence electrons of other atoms, decreasing reactivity.
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