Ch.9 - Bonding & Molecular StructureWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
Chemical Bonds
Lattice Energy
Lattice Energy Application
Born Haber Cycle
Dipole Moment
Lewis Dot Structure
Octet Rule
Formal Charge
Resonance Structures
Additional Practice
Bond Energy

Solution: In the Lewis structure below, correctly identify the number of sigma bonds and number of pi bonds.A) six sigma, two piB) seven sigma, three piC) six sigma, three piD) four sigma, two piE) NONE of the statements above correctly identifies the number of sigma and pi bonds

Problem

In the Lewis structure below, correctly identify the number of sigma bonds and number of pi bonds.

A) six sigma, two pi

B) seven sigma, three pi

C) six sigma, three pi

D) four sigma, two pi

E) NONE of the statements above correctly identifies the number of sigma and pi bonds

Solution

We are asked to count how many sigma and pi bonds are in the lewis structure. 



The number of pi and sigma bonds varies depending on the type of bond.

Recall: 

Single bond: 1 sigma bond
Double bond: 1 sigma + 1 pi bond
Triple Bond: 1 sigma + 2 pi bond


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