
Concept explainers
Interpretation:
The reason for which fluorine is given importance in terms of electronegativity and what combination of atoms on periodic table form the ionic bond have to be identified.
Concept Introduction:
Lewis structure:
The representation of valence shell electrons around the atom is known as Lewis structure or Lewis dot structure. Electrons are represented as a dot in Lewis structures, a single dot represents unpaired electron and paired of dots represents paired electrons.

Explanation of Solution
Given,
The molar mass of the compound is
The percentage composition of carbon is
The mass of carbon can be calculated as shown below.
The percentage composition of chlorine is
The mass of carbon is
The mass of chlorine is
The empirical formula can be calculated as follows:
The empirical formula of the compound is
The empirical formula mass is sum of the mass of carbon and two chlorine atoms.
The molar mass of the compound is
The molecular formula is calculated as follows:
Here it is found that empirical formula is twice molecular formula. Therefore the molecular formula of the compound is
The Lewis structure of
The total number of valence electrons in
The four chlorine atoms are bonded to two carbon atoms. Write skeletal structure representing this and place two electrons between each carbon and chlorine atom.
Here
Here all the atoms form octet. Therefore, Lewis structure of
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