Textbook Question
(b) What is the coordination number of each cannonball in the interior of the stack?
Ch.12 - Solids and Modern Materials
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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Table of contents
- Ch.1 - Introduction: Matter, Energy, and Measurement146
- Ch.2 - Atoms, Molecules, and Ions200
- Ch.3 - Chemical Reactions and Reaction Stoichiometry176
- Ch.4 - Reactions in Aqueous Solution155
- Ch.5 - Thermochemistry126
- Ch.6 - Electronic Structure of Atoms131
- Ch.7 - Periodic Properties of the Elements126
- Ch.8 - Basic Concepts of Chemical Bonding123
- Ch.9 - Molecular Geometry and Bonding Theories143
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces91
- Ch.12 - Solids and Modern Materials122
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics174
- Ch.15 - Chemical Equilibrium101
- Ch.16 - Acid-Base Equilibria139
- Ch.17 - Additional Aspects of Aqueous Equilibria146
- Ch.18 - Chemistry of the Environment72
- Ch.19 - Chemical Thermodynamics129
- Ch.20 - Electrochemistry142
- Ch.21 - Nuclear Chemistry101
- Ch.22 - Chemistry of the Nonmetals68
- Ch.23 - Transition Metals and Coordination Chemistry66
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Not the one you use?Change textbook
Chapter 12, Problem 3
Shown here are sketches of two processes. Which of the processes refers to the ductility of metals and which refers to malleability of metals? (a)
(b)
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Verified step by step guidance1
Step 1: Understand the definitions of ductility and malleability. Ductility refers to the ability of a metal to be drawn into a wire, while malleability refers to the ability of a metal to be hammered or rolled into thin sheets.
Step 2: Analyze the first image (a). It shows a metal being heated and drawn into a wire, which is a characteristic of ductility.
Step 3: Analyze the second image (b). It shows molten metal being poured, which is a process that can be associated with shaping metals into sheets or other forms, indicating malleability.
Step 4: Match the processes to their respective properties. The process in image (a) refers to ductility, and the process in image (b) refers to malleability.
Step 5: Conclude that the sketches illustrate the ductility of metals in image (a) and the malleability of metals in image (b).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Ductility
Ductility is the ability of a material, typically metals, to be stretched into a wire without breaking. This property is crucial in applications where materials need to be drawn into thin shapes, such as electrical wiring. The process often involves heating the metal to increase its malleability, allowing it to deform under tensile stress.
Malleability
Malleability refers to a material's capacity to deform under compressive stress, allowing it to be hammered or rolled into thin sheets. This property is essential in metalworking processes, such as forging and rolling, where metals are shaped without cracking. Malleable materials can be easily manipulated, making them suitable for various applications, including metal foils and sheets.
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Nonmetal Properties
Heat Treatment
Heat treatment is a process used to alter the physical and sometimes chemical properties of a material, particularly metals. By heating and cooling metals in controlled ways, their ductility and malleability can be enhanced. This process is vital in metallurgy, as it helps achieve desired mechanical properties, making metals more suitable for specific applications.
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Related Practice
Textbook Question
For each of the two-dimensional structures shown here (a) draw the unit cell (i)
(ii)
Textbook Question
Which of these molecular fragments would you expect to be more likely to give rise to electrical conductivity? Explain your reasoning. (a)
(b)
Textbook Question
Which arrangement of cations (yellow) and anions (blue) in a lattice is the more stable? Explain your reasoning. (a)
(b)
Textbook Question
Two solids are shown below. One is a semiconductor and one is an insulator. Which one is which? Explain your reasoning.
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