AS 1.3: Bonding Flashcards

1
Q

Octet Rule

A

When reacting, an atom tends to gain, lose or share electrons to achieve eight electrons in its outer shell.

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2
Q

Ionic Bond

A

The electrostatic force of attraction between an atom which has lost one or more electrons (a cation) and an atom which has gained one or more electrons (an anion).

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3
Q

Covalent Bond

A

The electrostatic forces of attraction between a shared pair of electrons and the nuclei of the bonded atoms.

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4
Q

Coordinatie (Dative) Bond

A

A shared pair of electrons between two atoms, where one atom has provided both electrons.

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5
Q

Lone Pair

A

A pair of unshared electrons in the outer shell of an atom.

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6
Q

Delocalised Electrons

A

Outer electrons which do not have fixed positions, but instead move freely.

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7
Q

Metallic Bond

A

This is the elecrostatic force of attraction that two neighbouring cations have for the delocalised electrons between them.

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8
Q

Electronegativity

A

The extent to which an atom attracts the bonding electrons in a cpvalent bond.

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9
Q

Polar Bond

A

A covalent bond in which there is unequal sharing of the bonding electrons.

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