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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Transcribed Image Text:### Identifying Compounds as Covalent or Ionic
#### Question:
Identify the following compounds as covalent or ionic.
#### Table:
| Compound | Covalent (C) or Ionic (I) |
|----------|---------------------------|
| H₂O | |
| KNO₃ | |
| CH₄ | |
| NaCl | |
**Instructions for Students:**
1. Review the list of compounds provided in the left column.
2. Identify whether each compound is covalent (C) or ionic (I).
3. Fill in the right column with the correct designation (C or I).
### Explanation of Covalent and Ionic Compounds:
- **Covalent Compounds:** These compounds are formed when two nonmetals share electrons. They typically have lower melting and boiling points and do not conduct electricity in water.
- **Ionic Compounds:** Formed when metals transfer electrons to nonmetals, resulting in positive and negative ions that attract each other. These compounds generally have high melting and boiling points and conduct electricity when dissolved in water.
#### Example:
- **Water (H₂O)**: A covalent compound formed by the bonding of two hydrogen atoms to one oxygen atom.
- **Sodium Chloride (NaCl)**: An ionic compound composed of sodium ions (Na⁺) and chloride ions (Cl⁻).
Use this guide to help categorize the given compounds and understand their properties.
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