Domanda del libro di testo
(a) What are 'valence electrons'?
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Ch.6 - Electronic Structure of Atoms
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 6, Problema 71
What is the maximum number of electrons that can occupy each of the following subshells? (a) 3s, (b) 2p, (c) 4d, (d) 5s.
Guida verificata passo dopo passo1
First, let's understand the concept of subshells. In an atom, electrons are arranged in energy levels, also known as shells. Each shell is divided into subshells, which are designated as s, p, d, and f. The number before the letter represents the energy level or shell number, and the letter represents the type of subshell.
The maximum number of electrons that can occupy a subshell is determined by the type of subshell. The s subshell can hold a maximum of 2 electrons, the p subshell can hold a maximum of 6 electrons, the d subshell can hold a maximum of 10 electrons, and the f subshell can hold a maximum of 14 electrons.
For subshell (a) 3s, since it's an s subshell, it can hold a maximum of 2 electrons.
For subshell (b) 2p, since it's a p subshell, it can hold a maximum of 6 electrons.
For subshell (c) 4d, since it's a d subshell, it can hold a maximum of 10 electrons.
For subshell (d) 5s, since it's an s subshell, it can hold a maximum of 2 electrons.
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Electron Configuration
Electron configuration describes the distribution of electrons in an atom's orbitals. Each electron occupies a specific subshell based on energy levels and follows the Pauli exclusion principle, which states that no two electrons can have the same set of quantum numbers. Understanding electron configuration is essential for determining how many electrons can fit into each subshell.
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01:33
Electron Configuration Example
Subshells and Their Capacities
Subshells are divisions of electron shells and are designated as s, p, d, and f. Each subshell has a specific maximum number of electrons it can hold: s subshells can hold 2 electrons, p subshells can hold 6, d subshells can hold 10, and f subshells can hold 14. This capacity is derived from the formula 2n², where n is the principal quantum number.
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02:19Heat Capacity
Quantum Numbers
Quantum numbers are sets of numerical values that describe the unique quantum state of an electron in an atom. The principal quantum number (n) indicates the energy level, while the azimuthal quantum number (l) defines the subshell type (s, p, d, f). Understanding quantum numbers is crucial for determining the arrangement of electrons and their respective subshells.
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02:55Principal Quantum Number
Pratica correlata
Domanda del libro di testo
Two possible electron configurations for an Li atom are shown here. (c) In the absence of an external magnetic field, can we say that one electron configuration has a lower energy than the other? If so, which one has the lowest energy?
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Domanda del libro di testo
What is the maximum number of electrons in an atom that can
have the following quantum numbers? (a) n = 3, ml = -1;
(b) n = 4, l = 2; (c) n = 4, l = 3, ml = -2; (d) n = 5, l = 2,
ml = 0.
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Domanda del libro di testo
An experiment called the Stern–Gerlach experiment helped establish the existence of electron spin. In this experiment, a beam of silver atoms is passed through a magnetic field, which deflects half of the silver atoms in one direction and half in the opposite direction. The separation between the two beams increases as the strength of the magnetic field increases. (c) Would this experiment work for a beam of fluorine (F) atoms?
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Domanda del libro di testo
An experiment called the Stern–Gerlach experiment helped establish the existence of electron spin. In this experiment, a beam of silver atoms is passed through a magnetic field, which deflects half of the silver atoms in one direction and half in the opposite direction. The separation between the two beams increases as the strength of the magnetic field increases. (a) What is the electron configuration for a silver atom?
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