MCQ
Which of the following pairs has elements containing same number of electrons in the outermost orbit
- A$N - O$
- B$Na - Cl$
- C$Ca - Cl$
- ✓$Cl - Br$
✓
Answer
Correct option: D.
$Cl - Br$
d
(d) $Cl - Br.$ Both belong to $VII-A$ group having $7$${e^ - }$ in valence shell.
(d) $Cl - Br.$ Both belong to $VII-A$ group having $7$${e^ - }$ in valence shell.
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