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Chemistry GCSE > Nanoparticles > Flashcards

Nanoparticles Flashcards

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1
Q

What is a nanoparticle?

A

It is a structure that is 1-100nm in size. It contains a few hundred atoms

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2
Q

How to calculate surface area of a whole cube

A

Calculate area of one side then times it by six

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3
Q

How to calculate the volume of a cube

A

l x b x h

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4
Q

Benefits of using nanoparticles of zinc oxide in sun cream

A

They give better skin coverage.
Provide more effective protection from UV rays.
Are clear and colourless which makes it easier to rub in
Do not degrade on exposure to the sun.

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5
Q

Risks of using nanoparticles in sun cream

A

There is the potential for cell damage in the body. NP are so small they can be breathed in.
Harmful effects on the environment

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Chemistry GCSE (12 decks)

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