🗊Презентация Chemical bonding and Molecular Structure

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Chemical bonding and Molecular Structure, слайд №1Chemical bonding and Molecular Structure, слайд №2Chemical bonding and Molecular Structure, слайд №3Chemical bonding and Molecular Structure, слайд №4Chemical bonding and Molecular Structure, слайд №5Chemical bonding and Molecular Structure, слайд №6Chemical bonding and Molecular Structure, слайд №7Chemical bonding and Molecular Structure, слайд №8Chemical bonding and Molecular Structure, слайд №9Chemical bonding and Molecular Structure, слайд №10Chemical bonding and Molecular Structure, слайд №11Chemical bonding and Molecular Structure, слайд №12Chemical bonding and Molecular Structure, слайд №13Chemical bonding and Molecular Structure, слайд №14Chemical bonding and Molecular Structure, слайд №15Chemical bonding and Molecular Structure, слайд №16Chemical bonding and Molecular Structure, слайд №17Chemical bonding and Molecular Structure, слайд №18Chemical bonding and Molecular Structure, слайд №19Chemical bonding and Molecular Structure, слайд №20Chemical bonding and Molecular Structure, слайд №21Chemical bonding and Molecular Structure, слайд №22Chemical bonding and Molecular Structure, слайд №23Chemical bonding and Molecular Structure, слайд №24Chemical bonding and Molecular Structure, слайд №25Chemical bonding and Molecular Structure, слайд №26Chemical bonding and Molecular Structure, слайд №27Chemical bonding and Molecular Structure, слайд №28Chemical bonding and Molecular Structure, слайд №29
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Слайды и текст этой презентации

Слайд 1


3 – Lecture Chemical bonding and Molecular Structure Azamat Amzebek
Описание слайда:
3 – Lecture Chemical bonding and Molecular Structure Azamat Amzebek

Слайд 2


Topics Covered Ionic Bonds and Compounds Covalent Bonds Lewis Structures Types of Covalent Bonding Geometry and Polarity of Covalent Molecules Orbital Hybridization Sigma and Pi Bonds
Описание слайда:
Topics Covered Ionic Bonds and Compounds Covalent Bonds Lewis Structures Types of Covalent Bonding Geometry and Polarity of Covalent Molecules Orbital Hybridization Sigma and Pi Bonds

Слайд 3


Chemical bond The atoms in molecules held together by strong attractive forces called chemical bonds Formed by interaction of valence electrons of the combining atoms In the formation chemical bonds atoms bond according to the octet rule
Описание слайда:
Chemical bond The atoms in molecules held together by strong attractive forces called chemical bonds Formed by interaction of valence electrons of the combining atoms In the formation chemical bonds atoms bond according to the octet rule

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Ionic bond Two atoms with large difference in electronegativity reactivity, there is complete electron transfer High electronegativity == anion Low electronegativity == cation
Описание слайда:
Ionic bond Two atoms with large difference in electronegativity reactivity, there is complete electron transfer High electronegativity == anion Low electronegativity == cation

Слайд 5


Ionic bond These two ions are held together by electrostatic forces This force of attraction between the charged ions is called an ionic bond
Описание слайда:
Ionic bond These two ions are held together by electrostatic forces This force of attraction between the charged ions is called an ionic bond

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Nomenclature 1. 2. 3.
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Nomenclature 1. 2. 3.

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Nomenclature 4. 5.
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Nomenclature 4. 5.

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Nomenclature 6.
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Nomenclature 6.

Слайд 9


Ionic bond High melting and boiling point – strong electrostatic force Conduct electricity in liquid and aqueous states
Описание слайда:
Ionic bond High melting and boiling point – strong electrostatic force Conduct electricity in liquid and aqueous states

Слайд 10


Covalent Bonds Forms when two elements have similar electronegativities They achieve a noble gas electron configuration by sharing electrons in what is known as a covalent bond Sometimes need more than one electron to form octet
Описание слайда:
Covalent Bonds Forms when two elements have similar electronegativities They achieve a noble gas electron configuration by sharing electrons in what is known as a covalent bond Sometimes need more than one electron to form octet

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Covalent bond Bonds length is the average distance between the two nuclei of the atoms involved Bond energy is the energy required to separate two bonded atoms
Описание слайда:
Covalent bond Bonds length is the average distance between the two nuclei of the atoms involved Bond energy is the energy required to separate two bonded atoms

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Bonds Primary bonding – covalent and ionic Secondary – hydrogen and Van der Vaals
Описание слайда:
Bonds Primary bonding – covalent and ionic Secondary – hydrogen and Van der Vaals

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Lewis Structures Valence electrons of a covalent bond – bonding electrons Valence electrons not involved in the covalent bond – lone electron pairs(nonbonding) Lewis structure – convenient representation of bonding and nonbonding electrons in a molecule
Описание слайда:
Lewis Structures Valence electrons of a covalent bond – bonding electrons Valence electrons not involved in the covalent bond – lone electron pairs(nonbonding) Lewis structure – convenient representation of bonding and nonbonding electrons in a molecule

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Lewis Structures More than one Lewis structure for a molecule – resonance
Описание слайда:
Lewis Structures More than one Lewis structure for a molecule – resonance

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Formal Charge
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Formal Charge

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Formal Charge
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Formal Charge

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Resonance structures
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Resonance structures

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Types of covalent bonds Polar covalent bonds – occurs between atoms with small difference in electronegativity Nonpolar covalent bond occurs between atoms that have the same electronegativites Coordinate Covalent Bond – the shared electron pair comes from the lone pair of one of the atoms in the molecules
Описание слайда:
Types of covalent bonds Polar covalent bonds – occurs between atoms with small difference in electronegativity Nonpolar covalent bond occurs between atoms that have the same electronegativites Coordinate Covalent Bond – the shared electron pair comes from the lone pair of one of the atoms in the molecules

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Lewis acid and base Lewis base NH3 – donor of pair if electrons Lewis acid BF3 – acceptor of pair of electrons
Описание слайда:
Lewis acid and base Lewis base NH3 – donor of pair if electrons Lewis acid BF3 – acceptor of pair of electrons

Слайд 20


Geometry and polarity The Valence Shell Electron - Pair Repulsion Theory
Описание слайда:
Geometry and polarity The Valence Shell Electron - Pair Repulsion Theory

Слайд 21


Geometry and Polarity
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Geometry and Polarity

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Hybridization sp – hybridization
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Hybridization sp – hybridization

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Hybridization
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Hybridization

Слайд 24


Sigma and Pi bonds
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Sigma and Pi bonds

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Metallic bond
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Metallic bond

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Summary
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Summary

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Summary
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Summary

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Summary
Описание слайда:
Summary

Слайд 29


Summary
Описание слайда:
Summary

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