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: Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.A graph of percent ionic character, which lies on the y-axis, versus electronegativity difference, which lies on the x-axis. The electronegativity increases from zero at the origin to just passed three, with partitions of one. The percent ionic character starts at zero at the origin, then increases to one-hundred percent, with partitions of twenty-five percent. At an electronegativity difference of three, the percent ionic character equals seventy-five percent.

Solution: Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.

Problem

Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.

A graph of percent ionic character, which lies on the y-axis, versus electronegativity difference, which lies on the x-axis. The electronegativity increases from zero at the origin to just passed three, with partitions of one. The percent ionic character starts at zero at the origin, then increases to one-hundred percent, with partitions of twenty-five percent. At an electronegativity difference of three, the percent ionic character equals seventy-five percent.


Solution

The percent ionic character of a bond can be estimated using the following equation:

where ΔEN = electronegativity difference.

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