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Question


Chlorine is represented by the Lewis structure (image). The atomic number of an atom that will give an identical electron-dot arrangement as shown above:

480449_ceb930497dd14d50b15f8a2a493378f6.png

A
11
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B
9
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C
7
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D
19
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Solution

The correct option is C 7
The atomic number of an atom that will give an identical electron-dot arrangement as that of chlorine is 9.

This element is fluorine. It also has 7 valence electrons as chlorine.

Hence, the correct option is C

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