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Chemistry > Bonding > Flashcards

Bonding Flashcards

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1
Q

Ionic bonding

A

Electrostatic attraction between positive and negative ions

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2
Q

How are ionic compounds held together

A

Giant lattice
Electro static attraction

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3
Q

Properties of ionic substances

A

High melting and boiling point
Dont conduct electricity when solid
Conducts electricity in liquid or molten

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4
Q

Covalent bond

A

A shared pair of electrons between two atoms

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5
Q

Properties of simple molecular covalent substances

A

Don’t conduct electricity
Small molecules
weak intermolecular forces
Low melting and boiling points

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6
Q

What are polymers

A

Very large molecules

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7
Q

Giant covalent substances

A

High melting/boiling points
Diamond, graphite, silicon dioxide
Mostly doesn’t conduct electricity

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8
Q

Metallic bonding

A

Forces of attraction between delocalised electrons and nuclei of metal ions

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9
Q

Properties of metals

A

High melting/ boiling points
Good conductors of heat + electricity
Malleable and soft

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Chemistry (9 decks)

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