Domanda del libro di testo
Determine whether each of the following statements is true or false. If false, correct the statement to make it true: (a) The nucleus has most of the mass and comprises most of the volume of an atom.
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Ch.2 - Atoms, Molecules, and Ions
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 2, Problema 22d
Determine whether each of the following statements is true or false. If false, correct the statement to make it true: (d) The protons in the nucleus of the helium atom are held together by a force called the strong nuclear force.
Guida verificata passo dopo passo1
1. The statement is true. The protons in the nucleus of the helium atom are indeed held together by a force called the strong nuclear force.
2. The strong nuclear force is one of the four fundamental forces in nature. It is responsible for holding the protons and neutrons together in the nucleus of an atom.
3. Without the strong nuclear force, the protons in the nucleus would repel each other due to their like charges (positive). The strong nuclear force overcomes this electrostatic repulsion and keeps the nucleus intact.
4. Therefore, the statement 'The protons in the nucleus of the helium atom are held together by a force called the strong nuclear force' is correct and does not need any modification.
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Strong Nuclear Force
The strong nuclear force is one of the four fundamental forces of nature, responsible for holding protons and neutrons together in an atomic nucleus. It is a short-range force that acts between particles called baryons, which include protons and neutrons. This force is significantly stronger than the electromagnetic force that causes protons to repel each other due to their positive charges, thus allowing the nucleus to remain stable.
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01:51
Effective Nuclear Charge
Helium Atom Structure
A helium atom consists of two protons, two neutrons, and two electrons. The protons and neutrons are located in the nucleus at the center of the atom, while the electrons orbit around the nucleus. The presence of two protons in the nucleus creates a strong electromagnetic repulsion, which is counteracted by the strong nuclear force, allowing the nucleus to remain intact despite this repulsion.
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02:10Atom Structure
Nuclear Stability
Nuclear stability refers to the ability of an atomic nucleus to remain intact without undergoing radioactive decay. This stability is influenced by the balance between the strong nuclear force, which binds nucleons together, and the electromagnetic force, which causes repulsion among protons. In helium, the strong nuclear force effectively overcomes the repulsive forces, resulting in a stable nucleus, which is why helium is a common and stable element.
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03:29Band of Stability: Nuclear Fission
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Determine whether each of the following statements is true or false. If false, correct the statement to make it true: (b) Every atom of a given element has the same number of protons.
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Domanda del libro di testo
Consider an atom of 10B. (c) What is the symbol of the atom obtained by adding one neutron to 10B?
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Domanda del libro di testo
Consider an atom of 10B. (a) How many protons, neutrons, and electrons does this atom contain?
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Domanda del libro di testo
Determine whether each of the following statements is true or false. If false, correct the statement to make it true: (c) The number of electrons in an atom equals the number of neutrons in the atom.
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Domanda del libro di testo
Consider an atom of 10B. (b) What is the symbol of the atom obtained by adding one proton to 10B?
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