13 Nov 2021
Problem 38a
Page 375
Section: Problems by Topic
Chapter 9: Chemical Bonding I:The Lewis Model
Textbook ExpertVerified Tutor
13 Nov 2021
Given information
Chlorine is a chemical element with the symbol Cl and the atomic number 17.
Fluorine is a chemical element with the symbol F and atomic number 9.
Both chlorine and fluorine belong to the group of halogens and are therefore present in group 17. Each element has 7 valence electrons.
Step-by-step explanation
Step 1.
The total number of valence electrons in molecule = 7 + 7*5 = 7 + 35 = 42
The element having the least electronegativity value is usually the central atom and thus chlorine here becomes the central atom.
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