
Interpretation:
The correct statement which is related to Lewis dot symbol needs to be explained.
Concept introduction:
The concept is related to Lewis dot symbol. It is a method of representing arrangement of electrons in an atom. The lone pair of electron/s are represented as dots around the symbol of the atom.

Answer to Problem 6STP
Option (d)
Explanation of Solution
Reason for correct option/s:
The Lewis symbol for Cl atom is represented as follows:
It belongs to group 17 thus, the number of valence electron is 7.
In the Lewis symbols, dots are the valence electrons in the atom. All the group elements have the same number of dots, because outer most valence electrons are same. The number of dots increases on moving from left to right in a period; this is due to the extra electron that is entered into the next energy level.
Thus, all the given options are correct.
Chapter U2 Solutions
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