Bonding, Structure And Properties Flashcards

1
Q

What are the three kinds of bonding and what atoms do they occur between?

A

Ionic - metal/non metal
Covalent - non metal only
Metallic - metal only

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2
Q

How can an ionic lattice structure be described?

A

A lattice structure of Oppositely charged ions held together by strong electrostatic forces of attraction

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3
Q

How can simple molecular structure be described?

A

Molecules with strong covalent bonds between atoms but weak intermolecular forced

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4
Q

What are examples of giant covalent structures? And which are allotropes of carbon?

A
Sand
(A O C)
Diamond
Graphite
Graphene
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5
Q

In which allotrope of carbon does each carbon atom form 4 bonds?

A

Diamond

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6
Q

Which two allotropes of carbon are electrical conductors?

A

Graphite and graphene

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7
Q

Which allotrope of carbon has the formula C60?

A

Buckminsterfullerene

Bucky balls

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8
Q

What uses do nanoparticles of silver have?

A

Can kill bacteria

Used in clothes, wound dressings and deodorant to prevent odour

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9
Q

What uses do nanoparticles of titanium dioxide have?

A

Sunblock

Self cleaning windows

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10
Q

What are the risks associated with nanoparticles?

A

Silver - can be absorbed into brain and cause death of cells and tissues
Titanium dioxide - lung toxicity, skin/eye irritation, damage to genetic material

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