Is it true that the atomic number of chlorine is 17 and it contains 3 shells in its electron dot structure?

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answer is A.

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Detailed Solution

The above statement is true.
Lewis structures are diagrams that represent the valence electrons of atoms within a molecule. They are also known as Lewis dot structures or electron dot structures. These Lewis symbols and Lewis structures aid in the visualization of valence electrons in atoms and molecules, whether as lone pairs or within bonds. Chlorine is an element of the periodic table having atomic number 17. This element contains three valence shells namely k-shell, L-shell and M-shell and the electron distribution in these shells are in the order 2,8,7. It lacks one electron and hence its valency is 1.

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