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Number of valence electrons in C l − ion are: A 1 6 B 8 C 1 7 D 1 8
The electronic configuration of chlorine is 2, 8, 7 (Atomic number-17).Cl− is formed from adding one electron so the new electronic configuration is 2, 8, 8. So the valence electrons is 8.
Oter most shell electron gives its its velence electron and chlorine has 8 electron in its outer most shell so its valence electron are 8
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