O attraction between ions O movement of electrons sharing of electron pairs a large difference in electronegativity

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### Understanding Chemical Bonds

**Multiple Choice Question: Characteristics of Chemical Bonds**

**Question:**
Which of the following best characterizes an ionic bond?

**Options:**

- ○ Attraction between ions
- ○ Movement of electrons
- ○ Sharing of electron pairs
- ○ A large difference in electronegativity

### Explanation:

An **ionic bond** is a type of chemical bond that occurs between two ions with opposite charges. This type of bond is typically formed when one atom (usually a metal) loses one or more electrons, becoming a positively charged ion, while another atom (usually a non-metal) gains those electrons, becoming a negatively charged ion. The resulting electrostatic attraction between the positively and negatively charged ions holds them together.

**Key Points to Remember:**

- **Attraction Between Ions:** This is the primary characteristic of an ionic bond. It involves the positive and negative ions attracting each other due to their opposite charges.
- **Movement of Electrons:** In the formation of an ionic bond, electrons are transferred from one atom to another, but this option does not accurately describe the bond itself.
- **Sharing of Electron Pairs:** This describes a covalent bond, not an ionic one. Covalent bonds involve the sharing of electron pairs between atoms.
- **A Large Difference in Electronegativity:** While a large difference in electronegativity between two atoms can result in the formation of an ionic bond, this option describes a condition rather than the bond itself.

In most cases, the correct answer to characterize an ionic bond is "Attraction between ions."

This multiple-choice question is useful for testing the understanding of different types of chemical bonds, specifically ionic bonds, in educational settings.
Transcribed Image Text:### Understanding Chemical Bonds **Multiple Choice Question: Characteristics of Chemical Bonds** **Question:** Which of the following best characterizes an ionic bond? **Options:** - ○ Attraction between ions - ○ Movement of electrons - ○ Sharing of electron pairs - ○ A large difference in electronegativity ### Explanation: An **ionic bond** is a type of chemical bond that occurs between two ions with opposite charges. This type of bond is typically formed when one atom (usually a metal) loses one or more electrons, becoming a positively charged ion, while another atom (usually a non-metal) gains those electrons, becoming a negatively charged ion. The resulting electrostatic attraction between the positively and negatively charged ions holds them together. **Key Points to Remember:** - **Attraction Between Ions:** This is the primary characteristic of an ionic bond. It involves the positive and negative ions attracting each other due to their opposite charges. - **Movement of Electrons:** In the formation of an ionic bond, electrons are transferred from one atom to another, but this option does not accurately describe the bond itself. - **Sharing of Electron Pairs:** This describes a covalent bond, not an ionic one. Covalent bonds involve the sharing of electron pairs between atoms. - **A Large Difference in Electronegativity:** While a large difference in electronegativity between two atoms can result in the formation of an ionic bond, this option describes a condition rather than the bond itself. In most cases, the correct answer to characterize an ionic bond is "Attraction between ions." This multiple-choice question is useful for testing the understanding of different types of chemical bonds, specifically ionic bonds, in educational settings.
**11. What is thought to cause the London Dispersion Force?**

---

Explanation: This question explores the underlying cause of London Dispersion Forces, which are a type of intermolecular force. London Dispersion Forces are induced dipole-induced dipole attractions. They arise due to the momentary distribution of electrons within atoms or molecules, leading to instantaneous dipoles that induce dipoles in neighboring atoms or molecules. These forces are significant in the behavior of nonpolar substances and are a fundamental concept in physical chemistry. 

*Note:* This is a required question, indicated by the asterisk (*). 

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No graphs or diagrams were present in the image.
Transcribed Image Text:**11. What is thought to cause the London Dispersion Force?** --- Explanation: This question explores the underlying cause of London Dispersion Forces, which are a type of intermolecular force. London Dispersion Forces are induced dipole-induced dipole attractions. They arise due to the momentary distribution of electrons within atoms or molecules, leading to instantaneous dipoles that induce dipoles in neighboring atoms or molecules. These forces are significant in the behavior of nonpolar substances and are a fundamental concept in physical chemistry. *Note:* This is a required question, indicated by the asterisk (*). --- No graphs or diagrams were present in the image.
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