C1 CHEMICAL BONDING Flashcards

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1
Q
A
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2
Q

Chemical bonding

A

The mutual interaction between atoms resulting from the attraction and

repulsion between their nuclei and valence electrons.

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3
Q

bond energy

A

The energy needed to break chemical bonds to form neutral atoms.

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4
Q

bond length

A

The average distance between the nuclei of two bonded atoms.

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5
Q

ionic bonding

A

The electrostatic interaction between cations and anions that involves the
transfer of electrons and forms a three-dimensional lattice structure.

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6
Q

dative covalent bonding

A

A bond that involves the sharing of an electron pair between atoms where

both electrons are donated by one of the two atoms.

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7
Q

molecule

A

It is a neutral group of two or more atoms which are bonded together

sufficiently strongly to act as a unit in chemical reactions.

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8
Q

bonding (shared) pair

A

It is the pair of electrons that is shared between two atoms in a covalent bond.

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9
Q

lone pair

A

It is a pair of electrons in the valence shell of an atom that is not shared with

another atom.

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10
Q

electronegativity

A

It is a measure of the tendency of an atom to attract a shared pair of electrons

towards itself.

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11
Q

polar covalent bond

A

A bond that is formed as a result of the unequal sharing of electrons between

two atoms.

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12
Q

no-polar (pure) covalent bond

A

The bond that is formed as a result of an equal sharing of electrons

between two atoms.

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