special materials Flashcards

1
Q

the structure of fullerenes is based on ____ rings of carbon atoms

A

hexagonal

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2
Q

what types of sapes do fullerenes have

A

hollow shapes,like tubes balls and cages

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3
Q

what is the chemical formula for buckminister fullerene

A

C^60

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4
Q

why is buckminister fullerene the most stable

A

it is the most symmetrical

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5
Q

What can fullerenes be used to do

A

Deliver drugs in the body

Used in lubricants

Used a catalysts
Reinforcing materials

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6
Q

Do polymers have small or large molecules

A

Very large

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7
Q

What are the atoms in the polymers held together by

A

Strong covalent bonds

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8
Q

What state are polymers in room temperature?

A

Solid

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9
Q

Why are polymers solid at room temperature

A

The intermolecular forces between the large polymer molecules are strong

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10
Q

What is the diametre of nano particles

A

1nm and 1000nm

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11
Q

How many atoms are withing nanoparticles

A

A few hundred

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12
Q

Why are nano particles in sun creama

A

They protect from harmful UV rays

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13
Q

What is nano particle research leading to the development of?

A

New drug delivery systems

Synthetic skin

Computers and technology

Catalysts for fuel cells

Stringer and lighter construction materials

Cosmetics and deodorants

Fabric that prevent bacteria

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