Domanda del libro di testo
Write the Lewis structure for each molecule. d. CH3SH (C and S central)
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Ch.9 - Chemical Bonding I: The Lewis Model
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving136
- Ch.2 - Atoms & Elements112
- Ch.3 - Molecules, Compounds & Chemical Equations159
- Ch.4 - Chemical Quantities & Aqueous Reactions140
- Ch.5 - Gases118
- Ch.6 - Thermochemistry106
- Ch.7 - Quantum-Mechanical Model of the Atom62
- Ch.8 - Periodic Properties of the Elements103
- Ch.9 - Chemical Bonding I: The Lewis Model104
- Ch.10 - Chemical Bonding II: Molecular Shapes & Valence Bond Theory89
- Ch.11 - Liquids, Solids & Intermolecular Forces73
- Ch.12 - Solids and Modern Material59
- Ch.13 - Solutions110
- Ch.14 - Chemical Kinetics140
- Ch.15 - Chemical Equilibrium78
- Ch.16 - Acids and Bases155
- Ch.17 - Aqueous Ionic Equilibrium176
- Ch.18 - Free Energy and Thermodynamics108
- Ch.19 - Electrochemistry118
- Ch.20 - Radioactivity and Nuclear Chemistry82
- Ch.21 - Organic Chemistry150
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831Non è quello che usi tu?Cambia libro di testo
Capitolo 9, Problema 55a
Determine if a bond between each pair of atoms would be pure covalent, polar covalent, or ionic. a. Br and Br
Guida verificata passo dopo passo1
Step 1: Identify the type of bond between the atoms by looking at the difference in electronegativity values. Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used electronegativity scale.
Step 2: If the difference in electronegativity is less than 0.5, the bond is considered pure covalent. If the difference is between 0.5 and 1.7, the bond is polar covalent. If the difference is greater than 1.7, the bond is ionic.
Step 3: In this case, we are looking at a bond between two identical atoms, Br and Br. The electronegativity difference between identical atoms is always zero.
Step 4: Since the electronegativity difference is less than 0.5, the bond between Br and Br is a pure covalent bond.
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Types of Chemical Bonds
Chemical bonds can be classified into three main types: ionic, covalent, and polar covalent. Ionic bonds occur when electrons are transferred from one atom to another, resulting in charged ions. Covalent bonds involve the sharing of electrons between atoms, while polar covalent bonds occur when the sharing is unequal, leading to partial charges.
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00:45
Chemical Bonds
Electronegativity
Electronegativity is a measure of an atom's ability to attract and hold onto electrons in a bond. The difference in electronegativity between two atoms determines the type of bond formed: a small difference indicates a covalent bond, a moderate difference indicates a polar covalent bond, and a large difference suggests an ionic bond.
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02:10Electronegativity Trends
Homodiatomic Molecules
Homodiatomic molecules consist of two identical atoms, such as Br2. In these cases, the electronegativity difference is zero, leading to a pure covalent bond since the electrons are shared equally between the two atoms, resulting in no partial charges.
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02:38Heteronuclear Diatomic Molecules
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