Textbook Question
Which solid in each pair has the higher melting point and why?
a. Fe(s) or CCl4(s)
b. KCl(s) or HCl(s)
c. Ti(s) or Ne(s)
d. H2O(s) or H2S(s)
Ch.13 - Solids & Modern Materials
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371
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Table of contents
- Ch.1 - Matter, Measurement & Problem Solving117
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds128
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions84
- Ch.6 - Gases112
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements86
- Ch.10 - Chemical Bonding I: The Lewis Model91
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials48
- Ch.14 - Solutions93
- Ch.15 - Chemical Kinetics114
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases137
- Ch.18 - Aqueous Ionic Equilibrium154
- Ch.19 - Free Energy & Thermodynamics91
- Ch.20 - Electrochemistry105
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry141
Chapter 13, Problem 53a
Classify each of the following as a component of a silicate ceramic, an oxide ceramic, or a nonoxide ceramic. a. B4C
Verified step by step guidance1
Identify the chemical formula given: \( \text{B}_4\text{C} \).
Recognize that \( \text{B}_4\text{C} \) is composed of boron (B) and carbon (C).
Understand that silicate ceramics are primarily composed of silicon (Si) and oxygen (O) along with other elements.
Recognize that oxide ceramics are composed of metal elements combined with oxygen (O).
Conclude that \( \text{B}_4\text{C} \), containing boron and carbon without oxygen, is classified as a nonoxide ceramic.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Silicate Ceramics
Silicate ceramics are materials primarily composed of silicon and oxygen, often combined with other elements. They are characterized by their high melting points, chemical stability, and mechanical strength. Common examples include clay, porcelain, and glass. These materials are widely used in construction, pottery, and electronics due to their durability and thermal resistance.
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Polyatomic Oxyanion Names
Oxide Ceramics
Oxide ceramics are made from metal oxides, such as alumina (Al2O3) and zirconia (ZrO2). They are known for their excellent thermal and chemical stability, making them suitable for high-temperature applications. Oxide ceramics are commonly used in electrical insulators, cutting tools, and biomedical implants due to their hardness and resistance to wear.
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Nonoxide Ceramics
Nonoxide ceramics are a diverse group of materials that do not contain oxygen as a primary component. Examples include carbides, nitrides, and borides, such as boron carbide (B4C). These materials often exhibit exceptional hardness, thermal stability, and resistance to wear, making them ideal for applications in armor, cutting tools, and high-performance electronics.
Related Practice
Textbook Question
Classify each of the following as a component of a silicate ceramic, an oxide ceramic, or a nonoxide ceramic. b. Mg2SiO4
Textbook Question
An oxide of rhenium crystallizes with the unit cell shown here (rhenium=gray; oxygen=red). What is the formula of the oxide?
Textbook Question
Classify each of the following as a component of a silicate ceramic, an oxide ceramic, or a nonoxide ceramic. c. MoSi2
Textbook Question
Identify the structure of each of the two unit cells shown in Problem 48 as the rock salt structure, zinc blende structure, fluorite structure, antifluorite structure, or none of these.