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Resonance Structures and Metallic Bonds - General Chemistry - Assignment, Exercises of Chemistry

This lecture is from General Chemistry. Key important points are: Resonance Structures and Metallic Bonds, Metallic Bonds, Surrounding Sea, Sea of Electrons, Malleability, Ductility, Ionic Bonds, Negative Charges, Positive and Negative Ions, Combined

Typology: Exercises

2012/2013

Uploaded on 01/30/2013

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5.6 – Resonance Structures and Metallic Bonds
Metallic Bonds the chemical bonding that results from the attraction between metal atoms
and the surrounding sea of electrons.
-the outer electrons of metals have the ability to roam freely throughout the metal. This is
referred to as the sea of electrons.
-this results in 2 distinct characteristics:
1. Malleability the ability of a substance to be hammered or beaten into thin sheets.
2. Ductility the ability of a substance to be drawn or pulled through a small opening to
produce wire.
Ionic Bonds composed of positive and negative ions that are combined so that the numbers
of positive and negative charges are equal.
Ex)
Ex)
Resonance Structures refers to bonding in molecules that can’t be correctly represented by a
single Lewis Dot Structure.
Ex) O3
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5.6 – Resonance Structures and Metallic Bonds

Metallic Bonds – the chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons.

-the outer electrons of metals have the ability to roam freely throughout the metal. This is referred to as the sea of electrons.

-this results in 2 distinct characteristics:

  1. Malleability – the ability of a substance to be hammered or beaten into thin sheets.
  2. Ductility – the ability of a substance to be drawn or pulled through a small opening to produce wire.

Ionic Bonds – composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal.

Ex)

Ex)

Resonance Structures – refers to bonding in molecules that can’t be correctly represented by a single Lewis Dot Structure.

Ex) O

Draw any resonance structures for the following:

  1. CH 4

2) NO 3 -

3) N 2

4) CO 3 -

5) NO 2 -

6) BF 3