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Chemistry > Structure & Bonding PAPER 1 > Flashcards

Structure & Bonding PAPER 1 Flashcards

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1
Q

Name some examples of giant covalent structures?

A

Graphite
Diamond

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2
Q

How many times can diamond bond?

A

4

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3
Q

Why are diamonds hard?

A

As they have strong covalent bonds and a high boiling point

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4
Q

How many times can graphite bond?

A

3

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5
Q

Graphite has ____ intermolecular forces?

A

Weak

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6
Q

Why is graphite useful as a lubricant?

A

As there are no covalent bonds between graphite layers, allowing them to slip over each other
This makes graphite soft and slippery

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7
Q

Why can graphite conduct electricity?

A

But it has 4 electrons on its outer shell but only bonds 3 times, leaving 1 free delocalised electron
This allows graphite to conduct electricity

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8
Q

Graphite is a good conduct of ?

A

Heat

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9
Q

What are fullerenes?

A

Covalent structures with hollow shapes

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10
Q

What is buckminsterfullerene?

A

A fullerene with a spherical shape

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11
Q

What are properties to fullerene?

A

Light and strong
Delocalised electrons so conductors of heat and electricity
Good catalysts
Weak intermolecular forces can be used as lubricant

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12
Q

What is covalent bonding?

A

Non metals together sharing electrons

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13
Q

What is ionic bonding?

A

Non metal and metal together

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14
Q

What is a lattice?

A

Regular structure of ionic compounds

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15
Q

What has electrostatic forces?

A

Ionic bonding

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16
Q

What is a polymer?

A

Long chains of repeating units joined by covalent bonds

17
Q

Simple covalent structures have?

A

Strong covalent bonds
Weak intermolecular forces

18
Q

Giant covalent structures have?

A

Strong covalent bonds

19
Q

Polymers have?

A

Strong covalent bonds
Strong intermolecular forces

20
Q

Alloys are? Why?

A

Strong and hard
different size atoms, wonky layers, so can not slide over each other

Chemistry (12 decks)

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