Chemical Bonding Flashcards

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1
Q

Intramolecular bond

A

The bond between atoms within molecules

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2
Q

Valence electrons

A

The electrons in the outmost energy level of an atom

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3
Q

Valency

A

The number of electrons gained, lost or shared to complete the outmost energy level

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4
Q

Covalent bond

A

A bond which occurs between two atoms which share at least one pair of electrons

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5
Q

Pure covalent bond

A

When the electron pair is shared equally between two atoms, the bond occurs when two atoms are of the same element as each other

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6
Q

Bonding pair

A

The pair of electrons which are involved in a covalent bond

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7
Q

Electronegativity

A

Measure of the tendency of an atom to attract a bonding pair of electrons

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8
Q

Lone pairs

A

Electron pairs in the outmost energy level of an atom that do not take part in the chemical bonding process

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9
Q

Polar covalent bond

A

When the bonding pair is not shared equally between the two atoms, occurs when the atoms involved have different electronegativity values

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10
Q

Dative covalent bond

A

When a lone pair of electrons from one atom is shared with another Atom which has an empty orbital in its outmost energy level.

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11
Q

Ionic bond

A

A transfer of electrons and subsequent electrostatic attraction

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12
Q

Metallic bond

A

Being between a positive kernel and a sea of delocalized electrons

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