교과서 질문
Draw the Lewis structure for each organic compound from its condensed structural formula. c. CH3COCH3
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Ch.10 - Chemical Bonding I: The Lewis Model
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving117
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds128
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions84
- Ch.6 - Gases112
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements86
- Ch.10 - Chemical Bonding I: The Lewis Model91
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials48
- Ch.14 - Solutions93
- Ch.15 - Chemical Kinetics114
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases137
- Ch.18 - Aqueous Ionic Equilibrium154
- Ch.19 - Free Energy & Thermodynamics91
- Ch.20 - Electrochemistry105
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry141
10장, 문제 99
Draw the Lewis structure for each organic compound from its condensed structural formula. a. C2H4 b. CH3NH2 c. HCHO d. CH3CH2OH e. HCOOH
검증된 단계별 안내1
Identify the total number of valence electrons for each compound by adding the valence electrons of each atom present in the formula.
For each compound, determine the central atom (usually the least electronegative atom, except hydrogen) and arrange the other atoms around it.
Draw single bonds between the central atom and surrounding atoms, using a pair of electrons for each bond.
Distribute the remaining valence electrons to satisfy the octet rule for each atom, starting with the outer atoms and then the central atom. Remember that hydrogen only needs two electrons.
If any atoms do not have a complete octet, consider forming double or triple bonds by sharing more pairs of electrons between atoms.
주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Lewis Structures
Lewis structures are diagrams that represent the bonding between atoms in a molecule and the lone pairs of electrons that may exist. They use dots to represent electrons and lines to represent bonds between atoms. Understanding how to draw Lewis structures is essential for visualizing molecular geometry and predicting reactivity.
추천 영상:
가이드 코스
04:28
Lewis Dot Structures: Ions
Condensed Structural Formulas
Condensed structural formulas provide a shorthand way to represent the structure of a molecule, indicating how atoms are connected without showing all the bonds explicitly. For example, CH3CH2OH indicates that there is an ethyl group (C2H5) attached to a hydroxyl group (OH). Recognizing these formulas is crucial for translating them into Lewis structures.
추천 영상:
가이드 코스
01:53Condensed Formula
Valence Electrons
Valence electrons are the outermost electrons of an atom and are involved in forming bonds with other atoms. The number of valence electrons determines how atoms will bond and the overall structure of the molecule. Knowing how to count and distribute valence electrons is vital for accurately drawing Lewis structures.
추천 영상:
가이드 코스
02:12Transition Metals Valence Electrons
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