Domanda del libro di testo
Identify two ions that have the following ground-state electron configurations: (b) [Ar]3d5
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Ch.7 - Periodic Properties of the Elements
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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TOC.tableOfContents
- 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: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 7, Problema 94a
Identify two ions that have the following ground-state electron configurations: (a) [Ar]
Guida verificata passo dopo passo1
Step 1: Understand that the electron configuration [Ar] represents the electron configuration of the noble gas Argon, which has 18 electrons.
Step 2: Recognize that ions are formed by the gain or loss of electrons from a neutral atom, resulting in a positive or negative charge.
Step 3: Identify that a cation (positively charged ion) with the electron configuration [Ar] would have lost electrons to achieve this configuration. For example, a potassium ion (K⁺) loses one electron from its neutral state (which is [Ar]4s¹) to become [Ar].
Step 4: Identify that an anion (negatively charged ion) with the electron configuration [Ar] would have gained electrons to achieve this configuration. For example, a chloride ion (Cl⁻) gains one electron from its neutral state (which is [Ne]3s²3p⁵) to become [Ar].
Step 5: Conclude that the ions with the electron configuration [Ar] are K⁺ and Cl⁻, as they have either lost or gained electrons to match the electron configuration of Argon.
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Electron Configuration
Electron configuration describes the distribution of electrons in an atom's orbitals. It is represented using a notation that indicates the energy levels and sublevels occupied by electrons. For example, the notation [Ar] signifies that the electron configuration corresponds to that of argon, which has a complete outer shell, indicating a stable electronic state.
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Percorso guidato
01:33
Electron Configuration Example
Ionic Charge
Ionic charge refers to the electrical charge that an atom acquires when it loses or gains electrons to achieve a stable electron configuration. Cations are positively charged ions formed by the loss of electrons, while anions are negatively charged ions formed by the gain of electrons. Understanding the ionic charge is essential for identifying ions with specific electron configurations.
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01:53Formal Charge
Noble Gas Stability
Noble gases, such as argon, are known for their stability due to having a full valence shell of electrons. This stability makes them less reactive compared to other elements. When identifying ions with the electron configuration [Ar], it is important to recognize that these ions achieve a similar stable configuration by either losing or gaining electrons, mimicking the electron arrangement of noble gases.
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00:59Noble Gas Compounds
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