Bonding and Structure Definitions

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Ionic Bond
An electrostatic attraction between oppositely charged ions
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Giant Ionic Lattice
3 dimensional structure of oppositely charged ions held together by ionic bonds
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Covalent Bond
Electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms
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Single Covalent Bond
One shared pair of electrons (represented as a single line -)
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Double Covalent Bond
Two shared pair of electrons (represented as two lines =)
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Triple Covalent Bond
Three shared pair of electrons (represented as three lines)
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Bonding Pair
A pair of electrons shared between 2 atoms
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Lone Pair
A pair of unshared electrons in the outer shell of an atom
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Molecule
A substance that contains a covalent bond
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Diatomic Elements
Two atoms covalently bonded in the molecule
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Octet Rule
When forming a compound, an atom tends to gain, lose or share electrons to achieve 8 in its outer shell
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Coordinate/Dative Covalent Bond
A covalent bond where the shared pair of electrons are both donated from one atom (a lone pair of electron becomes a bonding pair)
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Delocalised Electrons
Electrons that are free to move about the medal
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Electronegativity
The extent to which an atom attracts the bonding electrons in a covalent bond
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Delta
Partial charge
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Polar Bond
A covalent bond in which there is unequal sharing of the bonding electrons
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Intramolecular Forces
Bonds within molecules
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Intermolecular Forces
Bonds that exist between neighbouring simple covalent molecules
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3 Types of Intermolecular Forces
Van der Waals forces, Permanent Dipole attractions, Hydrogen Bonding
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Van der Waals Forces
The attraction between instantaneous and induced dipoles on neighbouring molecules
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Permanent Dipole-dipole Attraction
Attraction between the positive end of the permanent dipole on a molecule with the negative end of the permanent dipole of a neighbouring molecule
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Hydrogen Bond
The attraction between a lone pair of electrons on a very electronegative atom (N,O,F) in one molecule and a hydrogen atom in a neighbouring molecule, in which the hydrogen atom is covalently bonded to a very electronegative atom (N,O,F)
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Other cards in this set

Card 2

Front

3 dimensional structure of oppositely charged ions held together by ionic bonds

Back

Giant Ionic Lattice

Card 3

Front

Electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms

Back

Preview of the back of card 3

Card 4

Front

One shared pair of electrons (represented as a single line -)

Back

Preview of the back of card 4

Card 5

Front

Two shared pair of electrons (represented as two lines =)

Back

Preview of the back of card 5
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