Domanda del libro di testo
Two patterns of packing two different circles of the same size are shown here. For each structure (c) determine the type of two-dimensional lattice (from Figure 12.4). (i)
(ii)
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Ch.12 - Solids and Modern Materials
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
Capitolo 12, Problema 19a
(a) Draw a picture that represents a crystalline solid at the atomic level.
Guida verificata passo dopo passo1
Step 1: Understand that a crystalline solid is a material whose constituents, such as atoms, molecules, or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
Step 2: Visualize the crystal lattice as a repeating pattern of unit cells, which are the smallest repeating units that make up the crystal structure.
Step 3: Consider a simple cubic lattice, where atoms are located at each corner of a cube. This is one of the simplest types of crystal lattices.
Step 4: Imagine each atom as a sphere, and in a simple cubic lattice, these spheres are arranged in a grid-like pattern, with each sphere touching its neighbors along the edges of the cube.
Step 5: To draw this, sketch a cube and place a sphere at each corner, ensuring that the spheres are evenly spaced and aligned, representing the regular, repeating pattern of a crystalline solid.
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Crystalline Structure
A crystalline structure is a highly ordered arrangement of atoms, ions, or molecules in a solid. This regular pattern extends in three dimensions, forming a lattice that defines the solid's geometric shape. Each point in the lattice represents a position occupied by an atom or a group of atoms, contributing to the solid's stability and unique properties.
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Percorso guidato
01:31
Crystalline Solids Structure
Unit Cell
The unit cell is the smallest repeating unit of a crystalline structure that, when stacked together, forms the entire crystal lattice. It contains all the essential information about the arrangement of atoms and their positions. Understanding the unit cell is crucial for visualizing and drawing the overall structure of a crystalline solid.
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01:27Simple Cubic Unit Cell
Atomic Bonding
Atomic bonding refers to the forces that hold atoms together in a solid. In crystalline solids, these bonds can be ionic, covalent, or metallic, depending on the nature of the atoms involved. The type of bonding influences the properties of the solid, such as its melting point, hardness, and electrical conductivity, which are essential to consider when representing the structure at the atomic level.
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02:10Atom Structure
Pratica correlata
Domanda del libro di testo
Two patterns of packing for two different circles of the same size are shown here. For each structure (b) determine the angle between the lattice vectors, g, and determine whether the lattice vectors are of the same length or of different lengths; (i)
(ii)
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Domanda del libro di testo
You are given a gray substance that melts at 700 °C; the solid is a conductor of electricity and is insoluble in water. Which type of solid (molecular, metallic, covalent-network, or ionic) might this substance be?
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Domanda del libro di testo
(b) Now draw a picture that represents an amorphous solid at the atomic level.
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